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A258886
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Number of (n+2)X(n+2) 0..1 arrays with no 3x3 subblock diagonal sum less than the antidiagonal sum or central row sum less than the central column sum
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1
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242, 2304, 6072, 7225, 12544, 21025, 32400, 48841, 69696, 97969, 132496, 177241, 230400, 297025, 374544, 469225, 577600, 707281, 853776, 1026169, 1218816, 1442401, 1690000, 1974025, 2286144, 2640625, 3027600, 3463321, 3936256, 4464769
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OFFSET
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1,1
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COMMENTS
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Diagonal of A258894
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LINKS
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R. H. Hardin, Table of n, a(n) for n = 1..68
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EXAMPLE
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Some solutions for n=4
..1..1..0..0..0..1....1..0..0..0..0..1....1..1..0..0..0..0....1..1..0..1..0..0
..1..1..0..0..0..0....0..1..0..0..0..0....1..0..0..0..0..1....1..1..1..0..1..1
..1..0..0..0..0..1....1..0..0..0..0..1....1..0..0..0..0..0....1..1..0..1..0..1
..1..0..0..0..0..0....0..0..0..0..0..0....1..0..0..0..0..1....1..0..1..0..1..1
..0..0..0..0..0..1....1..0..0..0..0..1....0..0..0..0..1..1....1..0..0..1..1..1
..1..0..0..0..1..0....0..0..0..0..1..1....0..0..0..0..1..1....0..0..0..0..1..1
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CROSSREFS
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Cf. A258894
Sequence in context: A258887 A234484 A160551 * A354563 A354565 A165935
Adjacent sequences: A258883 A258884 A258885 * A258887 A258888 A258889
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KEYWORD
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nonn
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AUTHOR
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R. H. Hardin, Jun 14 2015
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STATUS
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approved
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