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A258520
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Number of (n+2)X(2+2) 0..1 arrays with every 3X3 subblock sum of the two sums of the diagonal and antidiagonal minus the two sums of the central column and central row nondecreasing horizontally and vertically
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1
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2371, 7334, 13616, 23785, 45771, 91023, 169230, 300889, 536665, 960950, 1692043, 2898384, 4959172, 8588273, 14914835, 25562679, 43219445, 73301442, 125444470, 214770721, 364129421, 613091328, 1036893028, 1766260617, 3007189322
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OFFSET
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1,1
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COMMENTS
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Column 2 of A258522
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LINKS
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R. H. Hardin, Table of n, a(n) for n = 1..210
R. H. Hardin, Empirical recurrence of order 94
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FORMULA
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Empirical recurrence of order 94 (see link above)
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EXAMPLE
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Some solutions for n=4
..0..0..1..1....0..1..0..0....1..1..0..0....1..1..0..0....1..0..0..0
..1..1..0..0....0..1..1..1....0..1..1..1....1..1..0..1....1..1..1..0
..1..1..0..0....1..0..0..1....0..1..1..0....0..1..1..1....0..1..1..0
..0..0..1..1....1..1..0..0....1..0..0..0....0..1..1..0....0..0..0..1
..0..0..1..1....0..1..0..0....1..0..0..0....0..1..1..0....0..0..0..1
..0..0..0..1....0..1..0..1....0..0..0..1....1..0..0..1....1..0..0..1
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CROSSREFS
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Cf. A258522
Sequence in context: A185607 A068282 A234328 * A232906 A241933 A045303
Adjacent sequences: A258517 A258518 A258519 * A258521 A258522 A258523
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KEYWORD
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nonn
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AUTHOR
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R. H. Hardin, Jun 01 2015
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STATUS
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approved
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