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Revision History for A038523 (Underlined text is an addition; strikethrough text is a deletion.)

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A038523 A minimal sequence of weights with distinct weighings, with limit of two weights per pan.
(history; published version)
#9 by Michael De Vlieger at Wed Apr 12 10:52:40 EDT 2023
STATUS

reviewed

approved

#8 by Joerg Arndt at Wed Apr 12 10:40:30 EDT 2023
STATUS

proposed

reviewed

#7 by Michel Marcus at Wed Apr 12 10:06:14 EDT 2023
STATUS

editing

proposed

#6 by Michel Marcus at Wed Apr 12 10:06:09 EDT 2023
LINKS

Ed Pegg, Jr., <a href="http://mathpuzzle.com/Solution.htm">COMMENTARYCommentary ONon WEEKLYWeekly PUZZLESPuzzles</a>

EXAMPLE

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.

STATUS

approved

editing

Discussion
Wed Apr 12 10:06
Michel Marcus: ok ?
#5 by Jon E. Schoenfield at Tue Dec 01 20:01:30 EST 2015
STATUS

editing

approved

#4 by Jon E. Schoenfield at Tue Dec 01 20:01:28 EST 2015
LINKS

Ed Pegg , Jr., <a href="http://mathpuzzle.com/Solution.htm">COMMENTARY ON WEEKLY PUZZLES</a>

STATUS

approved

editing

#3 by Russ Cox at Fri Mar 30 18:55:37 EDT 2012
AUTHOR

_Ed Pegg Jr (ed(AT)mathpuzzle.com)_

Discussion
Fri Mar 30 18:55
OEIS Server: https://oeis.org/edit/global/284
#2 by N. J. A. Sloane at Fri May 16 03:00:00 EDT 2003
LINKS

<Ed Pegg Jr., <a href="http://www.mathpuzzle.com/">Source/Solution.htm">COMMENTARY ON WEEKLY PUZZLES</a>

CROSSREFS

Cf. A037255.

KEYWORD

more,nice,nonn,new

AUTHOR

Ed Pegg Jr (xeipon@ix.netcomed(AT)mathpuzzle.com)

#1 by N. J. A. Sloane at Sat Dec 11 03:00:00 EST 1999
NAME

A minimal sequence of weights with distinct weighings, with limit of two weights per pan.

DATA

2, 3, 9, 25, 67, 167, 427, 966

OFFSET

0,1

REFERENCES

Discovered by Denis Borris and Ed Pegg Jr.

LINKS

<a href="http://www.mathpuzzle.com/">Source</a>

EXAMPLE

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.

CROSSREFS

Cf. A037255

KEYWORD

more,nice,nonn

AUTHOR

Ed Pegg Jr (xeipon@ix.netcom.com)

STATUS

approved

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Last modified August 31 00:13 EDT 2024. Contains 375550 sequences. (Running on oeis4.)