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A208560
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Number of n X n 0..2 arrays with new values 0..2 introduced in row major order and no element equal to more than one of its immediate leftward or upward or left-upward diagonal neighbors
(history;
published version)
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#7 by Charles R Greathouse IV at Fri Dec 18 18:18:03 EST 2015
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Number of n X nXnn 0..2 arrays with new values 0..2 introduced in row major order and no element equal to more than one of its immediate leftward or upward or left-upward diagonal neighbors
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Discussion
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Fri Dec 18
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| OEIS Server: https://oeis.org/edit/global/2478
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#6 by Russ Cox at Sat Mar 31 12:37:23 EDT 2012
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| AUTHOR
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_R. H. Hardin (rhhardin(AT)att.net) _ Feb 28 2012
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Discussion
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Sat Mar 31
| 12:37
| OEIS Server: https://oeis.org/edit/global/875
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#5 by Ron Hardin at Tue Feb 28 07:33:46 EST 2012
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#4 by Ron Hardin at Tue Feb 28 07:33:41 EST 2012
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| LINKS
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R. H. Hardin, <a href="/A208560/b208560.txt">Table of n, a(n) for n = 1..12</a>
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#3 by Ron Hardin at Tue Feb 28 07:33:20 EST 2012
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allocatedNumber of nXn 0..2 arrays with new values 0..2 introduced in row major order and no element equal to more than one of its immediate leftward or upward or forleft-upward Rondiagonal Hardinneighbors
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| DATA
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1, 10, 1059, 600426, 1820627588, 29489112993258, 2550050797214882163, 1177059517691274455925664, 2899898779178057927709489333244, 38132339745477816025554449167624111270
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| OFFSET
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1,2
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| COMMENTS
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Diagonal of A208567
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| EXAMPLE
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Some solutions for n=4
..0..0..0..1....0..0..0..0....0..0..1..2....0..0..1..2....0..1..1..0
..1..1..1..0....1..1..1..1....0..2..2..0....2..1..0..0....1..2..2..2
..0..2..2..2....2..2..2..2....2..0..0..1....1..2..1..1....0..1..0..1
..0..1..0..0....0..0..0..0....2..1..2..1....2..1..2..2....2..0..1..2
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| KEYWORD
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allocated
nonn
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| AUTHOR
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R. H. Hardin (rhhardin(AT)att.net) Feb 28 2012
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| STATUS
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approved
editing
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#2 by Ron Hardin at Tue Feb 28 07:31:37 EST 2012
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| KEYWORD
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allocating
allocated
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#1 by Ron Hardin at Tue Feb 28 07:31:37 EST 2012
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allocated for Ron Hardin
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| KEYWORD
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allocating
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| STATUS
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approved
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