A259012 Number of (7+2)X(n+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the central row and column plus the two sums of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally

914320, 459014, 134036, 49839, 35404, 49717, 73734, 133352, 251774, 493203, 985500, 1990343, 4028838, 8113534, 16154696, 31673619, 60993464, 115221230, 213437204, 387765033, 691277518, 1210138735, 2081956120, 3523173264

Offset

1,1

Comments

Row 7 of A259006

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=1
..1..1..0....0..1..0....0..1..1....0..1..1....0..0..0....0..0..0....0..0..1
..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0
..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0
..1..1..1....1..0..1....1..1..0....1..0..0....0..0..1....1..0..0....0..1..1
..0..0..1....0..0..1....0..0..0....0..1..1....1..0..0....0..0..1....0..1..1
..1..1..0....1..0..0....1..1..0....0..1..0....0..0..0....1..1..0....0..1..0
..0..0..0....1..1..1....0..1..0....1..1..0....0..0..0....0..0..0....1..1..0
..1..1..1....0..1..1....0..1..0....0..1..1....0..1..1....1..1..1....0..1..1
..1..1..1....1..1..1....0..1..1....0..0..0....0..0..0....1..1..1....0..0..0

Crossrefs

Cf. A259006

Sequence in context: A253991 A253998 A258908 * A259005 A256903 A185532

Adjacent sequences: A259009 A259010 A259011 * A259013 A259014 A259015

Keyword

nonn

Author

R. H. Hardin, Jun 16 2015

Status

approved