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A163031
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Number of n X 5 binary arrays with all 1s connected and a path of 1s from top row to bottom row.
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3
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15, 245, 5191, 104989, 2075271, 40792921, 801218515, 15736428305, 309080891641, 6070750256417, 119237718452471, 2341990743046197, 45999883370408813, 903500281246849523, 17745974522766912147, 348555078644003475079
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OFFSET
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1,1
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LINKS
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FORMULA
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For a formula see the Goodman-Strauss links. - N. J. A. Sloane, May 22 2020
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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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