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A252121
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T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum less than 6
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4
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41092, 1091710, 1091710, 30699048, 83930022, 30699048, 845139814, 6987308056, 6987308056, 845139814, 23117206344, 542424609174, 1675983810394, 542424609174, 23117206344, 633958684608, 42424000928232, 373564978470681
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OFFSET
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1,1
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COMMENTS
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Table starts
..........41092..........1091710..........30699048..........845139814
........1091710.........83930022........6987308056.......542424609174
.......30699048.......6987308056.....1675983810394....373564978470681
......845139814.....542424609174...373564978470681.237151750138962995
....23117206344...42424000928232.84633516398482856
...633958684608.3354373190670870
.17408568411762
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LINKS
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R. H. Hardin, Table of n, a(n) for n = 1..31
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EXAMPLE
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Some solutions for n=1 k=4
..0..0..0..0..0..1....0..0..0..1..0..0....0..0..0..1..0..0....0..0..0..0..1..0
..0..0..0..2..1..0....0..0..0..2..3..0....0..0..0..1..1..1....0..0..0..0..1..0
..0..1..0..0..1..2....0..0..0..0..1..0....0..1..0..0..2..2....0..0..0..1..0..0
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CROSSREFS
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Sequence in context: A141711 A074379 A237395 * A252118 A250819 A234546
Adjacent sequences: A252118 A252119 A252120 * A252122 A252123 A252124
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KEYWORD
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nonn,tabl
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AUTHOR
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R. H. Hardin, Dec 14 2014
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STATUS
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approved
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