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A302276
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Number of n X 6 0..1 arrays with every element equal to 1, 2 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
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1
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5, 45, 162, 649, 3621, 15862, 69601, 385242, 1809350, 8397586, 43630510, 211879132, 1010098204, 5093387513, 24992533872, 120955915176, 601661729016, 2960280723199, 14445754762414, 71411159890125, 351516742426348
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OFFSET
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1,1
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COMMENTS
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LINKS
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EXAMPLE
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Some solutions for n=5:
0 1 0 0 0 1 0 0 0 0 1 1 0 1 1 1 1 1 0 0 1 0 0 0
0 0 1 1 1 0 1 1 1 1 0 0 1 0 0 0 0 0 0 1 1 0 1 0
1 1 0 1 0 1 1 0 1 0 1 0 0 1 0 1 0 1 1 0 1 0 1 1
0 0 0 1 0 0 1 0 0 0 1 0 1 0 0 0 1 0 1 1 1 0 0 0
0 1 1 0 1 1 0 1 1 1 0 1 1 1 0 1 1 1 0 0 0 1 1 0
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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