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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
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
Sequence in context: A029557 A115922 A248444 * A257156 A254738 A342858
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.)