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A180771
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T(n,k) = half the number of n X k binary arrays with each element equal to at least one neighbor.
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11
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0, 1, 1, 1, 3, 1, 2, 11, 11, 2, 3, 34, 63, 34, 3, 5, 111, 390, 390, 111, 5, 8, 361, 2385, 4475, 2385, 361, 8, 13, 1172, 14621, 52186, 52186, 14621, 1172, 13, 21, 3809, 89602, 606546, 1154119, 606546, 89602, 3809, 21, 34, 12377, 549125, 7053923, 25448809, 25448809
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OFFSET
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1,5
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COMMENTS
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Table starts
..0.....1........1...........2.............3................5
..1.....3.......11..........34...........111..............361
..1....11.......63.........390..........2385............14621
..2....34......390........4475.........52186...........606546
..3...111.....2385.......52186.......1154119.........25448809
..5...361....14621......606546......25448809.......1064583557
..8..1172....89602.....7053923.....561487456......44560487654
.13..3809...549125....82032712...12387396391....1865051797753
.21.12377..3365327...953982820..273289411333...78060898850787
.34.40218.20624430.11094190209.6029284136868.3267207111743056
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LINKS
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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