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A188861
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Number of nX4 binary arrays without the pattern 0 1 diagonally, vertically or antidiagonally
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1
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16, 41, 68, 95, 122, 149, 176, 203, 230, 257, 284, 311, 338, 365, 392, 419, 446, 473, 500, 527, 554, 581, 608, 635, 662, 689, 716, 743, 770, 797, 824, 851, 878, 905, 932, 959, 986, 1013, 1040, 1067, 1094, 1121, 1148, 1175, 1202, 1229, 1256, 1283, 1310, 1337, 1364
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OFFSET
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1,1
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COMMENTS
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Column 4 of A188866
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LINKS
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R. H. Hardin, Table of n, a(n) for n = 1..200
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FORMULA
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Empirical: a(n) = 27*n - 13 for n>1
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EXAMPLE
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Some solutions for 3X4
..1..1..1..1....1..1..0..1....1..1..1..1....1..0..1..1....1..1..1..1
..1..1..1..1....0..0..0..0....1..1..1..0....0..0..0..0....0..0..1..0
..1..0..0..1....0..0..0..0....1..1..0..0....0..0..0..0....0..0..0..0
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MATHEMATICA
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Join[{16}, Range[41, 7000, 27]] (* From Vladimir Joseph Stephan Orlovsky, Jul 13 2011 *)
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CROSSREFS
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Sequence in context: A100958 A044093 A044474 * A134593 A200408 A218067
Adjacent sequences: A188858 A188859 A188860 * A188862 A188863 A188864
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KEYWORD
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nonn
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AUTHOR
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R. H. Hardin Apr 12 2011
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STATUS
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approved
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