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 A257149 Number of (n+2)X(3+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the central row and column minus the sum of the minimums of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1
 13504, 96680, 732482, 5449304, 39971674, 295114929, 2183417807, 16144616160, 119387730698, 882890101723, 6529665253371, 48291188396559, 357147674505523, 2641358506805251, 19534786074176850, 144473821838374989 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 3 of A257154 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 R. H. Hardin, Empirical recurrence of order 79 FORMULA Empirical recurrence of order 79 (see link above) EXAMPLE Some solutions for n=2 ..1..0..0..1..0....1..0..1..1..0....1..1..1..0..1....1..0..0..1..1 ..1..0..0..0..1....0..1..0..1..0....0..0..1..1..0....0..0..0..1..0 ..0..0..1..1..1....0..1..0..1..0....1..0..1..1..0....0..0..1..0..1 ..1..0..0..0..0....0..0..0..0..1....1..1..0..1..0....1..0..1..1..0 CROSSREFS Cf. A257154 Sequence in context: A029557 A115922 A248444 * A257156 A254738 A342858 Adjacent sequences: A257146 A257147 A257148 * A257150 A257151 A257152 KEYWORD nonn AUTHOR R. H. Hardin, Apr 16 2015 STATUS approved

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Last modified March 2 10:43 EST 2024. Contains 370466 sequences. (Running on oeis4.)