A254742 Number of (n+2)X(7+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 and vertically

5203324, 148992766, 4337693061, 106118585579, 2619450227481, 65010218627788, 1584367864267499, 38231064450847659, 919748357286817081, 22055282284138519644, 527824863511243890777, 12617682329006195718216

Offset

1,1

Comments

Column 7 of A254743

Links

R. H. Hardin, Table of n, a(n) for n = 1..111

Example

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

Crossrefs

Sequence in context: A172715 A257153 A257160 * A333587 A125780 A294988

Adjacent sequences: A254739 A254740 A254741 * A254743 A254744 A254745

Keyword

nonn

Author

R. H. Hardin, Feb 06 2015

Status

approved