A253763 Number of (n+2)X(7+2) 0..1 arrays with every 3X3 subblock diagonal median minus antidiagonal median nondecreasing horizontally and vertically

11244672, 447022128, 20282915690, 905139371305, 40521984254512, 1850596722079477, 84156841519162348, 3824463533822627621, 173825747456520079446, 7902704234908766176249, 359193720219842584777240

Offset

1,1

Comments

Column 7 of A253764

Links

R. H. Hardin, Table of n, a(n) for n = 1..26

Example

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

Crossrefs

Sequence in context: A321506 A253960 A253967 * A331359 A186090 A233847

Adjacent sequences: A253760 A253761 A253762 * A253764 A253765 A253766

Keyword

nonn

Author

R. H. Hardin, Jan 11 2015

Status

approved