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A254983
Number of (n+2)X(2+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the diagonal and antidiagonal minus the sum of the minimums of the central row and column nondecreasing horizontally and vertically
1
2642, 12866, 56002, 273707, 1301410, 6027037, 28125597, 131242928, 611072260, 2847429072, 13277358450, 61913782538, 288771045558, 1347220992022, 6286065956155, 29332988038173, 136888663584706, 638853142958977
OFFSET
1,1
COMMENTS
Column 2 of A254989
LINKS
EXAMPLE
Some solutions for n=3
..0..1..0..0....0..1..0..0....0..1..0..0....0..1..0..1....1..0..1..0
..0..0..0..0....1..0..1..1....1..0..0..1....0..0..0..1....0..0..0..1
..0..1..1..0....0..0..1..1....0..1..0..1....0..0..0..1....0..0..0..0
..0..0..1..1....0..0..0..0....0..1..1..0....0..1..0..1....1..0..1..0
..1..1..0..1....1..1..1..0....1..0..0..0....0..1..0..0....0..1..0..1
CROSSREFS
Sequence in context: A249462 A257183 A257190 * A235676 A235446 A235750
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 11 2015
STATUS
approved