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A188096
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Number of (n+3)X(n+3) binary arrays with every 4X4 subblock commuting with each horizontal and vertical neighbor 4X4 subblock
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1
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65536, 143, 486, 3341, 7661, 10229, 11457, 14853, 20945, 30013, 43553, 66581, 122537, 218493, 370901, 609169, 1038233, 1702125, 2718785, 4301573, 7084265, 11655845, 19057721, 31019025, 51454089, 85171709, 139887197, 228134173
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OFFSET
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1,1
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COMMENTS
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Diagonal of A188105
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LINKS
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R. H. Hardin, Table of n, a(n) for n = 1..48
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EXAMPLE
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Some solutions for 5X5
..0..0..1..0..0....0..1..0..1..0....0..0..0..0..0....0..0..0..0..0
..0..0..0..0..1....0..1..0..1..0....0..0..0..0..0....0..0..0..0..0
..0..0..0..0..0....1..0..1..0..1....1..0..0..0..0....1..0..0..0..0
..0..0..0..0..0....1..0..1..0..1....0..0..0..0..0....1..1..0..0..0
..0..0..0..0..0....0..1..0..1..0....1..1..0..0..0....1..1..1..0..0
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CROSSREFS
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Sequence in context: A022532 A161195 A069391 * A188105 A188097 A223602
Adjacent sequences: A188093 A188094 A188095 * A188097 A188098 A188099
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KEYWORD
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nonn
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AUTHOR
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R. H. Hardin Mar 20 2011
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STATUS
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approved
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