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#9 by Michael De Vlieger at Wed Apr 12 10:52:40 EDT 2023
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#8 by Joerg Arndt at Wed Apr 12 10:40:30 EDT 2023
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#7 by Michel Marcus at Wed Apr 12 10:06:14 EDT 2023
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#6 by Michel Marcus at Wed Apr 12 10:06:09 EDT 2023
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| LINKS
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Ed Pegg, Jr., <a href="http://mathpuzzle.com/Solution.htm">COMMENTARYCommentary ONon WEEKLYWeekly PUZZLESPuzzles</a>
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| EXAMPLE
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The first n weights give the # number of distinct combinations given in A037255. The weights 1, 3, 9, 27, 81, 243, 729 also work for this problem, but are not distinct. Further numbers are calculable.
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| STATUS
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approved
editing
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Discussion
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Wed Apr 12
| 10:06
| Michel Marcus: ok ?
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#5 by Jon E. Schoenfield at Tue Dec 01 20:01:30 EST 2015
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#4 by Jon E. Schoenfield at Tue Dec 01 20:01:28 EST 2015
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| LINKS
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Ed Pegg , Jr., <a href="http://mathpuzzle.com/Solution.htm">COMMENTARY ON WEEKLY PUZZLES</a>
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| STATUS
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approved
editing
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#3 by Russ Cox at Fri Mar 30 18:55:37 EDT 2012
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| AUTHOR
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_Ed Pegg Jr (ed(AT)mathpuzzle.com)_
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Discussion
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Fri Mar 30
| 18:55
| OEIS Server: https://oeis.org/edit/global/284
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#2 by N. J. A. Sloane at Fri May 16 03:00:00 EDT 2003
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| LINKS
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<Ed Pegg Jr., <a href="http://www.mathpuzzle.com/">Source/Solution.htm">COMMENTARY ON WEEKLY PUZZLES</a>
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| CROSSREFS
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Cf. A037255.
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| KEYWORD
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more,nice,nonn,new
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| AUTHOR
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Ed Pegg Jr (xeipon@ix.netcomed(AT)mathpuzzle.com)
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#1 by N. J. A. Sloane at Sat Dec 11 03:00:00 EST 1999
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| NAME
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A minimal sequence of weights with distinct weighings, with limit of two weights per pan.
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| DATA
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2, 3, 9, 25, 67, 167, 427, 966
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| OFFSET
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0,1
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| REFERENCES
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Discovered by Denis Borris and Ed Pegg Jr.
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| LINKS
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<a href="http://www.mathpuzzle.com/">Source</a>
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| EXAMPLE
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The first n weights give the # of distinct combinations given in A037255. The weights 1, 3, 9, 27, 81, 243, 729 also work for this problem, but are not distinct. Further numbers are calculable.
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| CROSSREFS
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Cf. A037255
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| KEYWORD
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more,nice,nonn
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| AUTHOR
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Ed Pegg Jr (xeipon@ix.netcom.com)
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| STATUS
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approved
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