A257206 Number of (n+2)X(5+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

72249, 191070, 263630, 594621, 654637, 640929, 958492, 1132789, 1248657, 1572262, 1941929, 2373418, 2905927, 3560325, 4385532, 5356772, 6499076, 7803937, 9358455, 11231036, 13326754, 15731695, 18564935, 21844896, 25557915, 29764072, 34644954

Offset

1,1

Comments

Column 5 of A257209

Links

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

Example

Some solutions for n=2
..0..1..0..0..1..1..1....0..1..0..1..0..0..1....0..0..0..1..1..0..0
..1..0..0..0..1..1..1....0..0..0..1..1..1..1....1..0..0..1..1..1..1
..0..0..1..0..0..0..1....1..0..0..0..0..0..0....0..1..1..1..0..0..1
..0..0..1..1..1..1..1....1..1..1..0..0..0..1....0..1..0..0..0..1..1

Crossrefs

Cf. A257209

Sequence in context: A251348 A254911 A254904 * A229322 A269320 A126658

Adjacent sequences: A257203 A257204 A257205 * A257207 A257208 A257209

Keyword

nonn

Author

R. H. Hardin, Apr 18 2015

Status

approved