A257208 Number of (n+2)X(7+2) 0..1 arrays with every 3X3 subblock sum of the two sums of the diagonal and antidiagonal minus the two minimums of the central column and central row nondecreasing horizontally and vertically

616608, 992467, 729311, 1140763, 958492, 675943, 848628, 1025500, 1197017, 1484651, 1806573, 2155273, 2551405, 3016791, 3558516, 4160683, 4814887, 5553807, 6369827, 7256231, 8227854, 9283499, 10430813, 11681467, 13036214, 14490345

Offset

1,1

Comments

Column 7 of A257209

Links

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

Example

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

Crossrefs

Cf. A257209

Sequence in context: A172707 A254913 A254906 * A122131 A238053 A254802

Adjacent sequences: A257205 A257206 A257207 * A257209 A257210 A257211

Keyword

nonn

Author

R. H. Hardin, Apr 18 2015

Status

approved