A257187 Number of (n+2)X(6+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the diagonal and antidiagonal minus the sum of the minimums of the central row and column nondecreasing horizontally, vertically and ne-to-sw antidiagonally

639228, 4613955, 57766489, 916707473, 13584142368, 209357338632, 3329338589296, 52183619444529, 815552990856702, 12820383787282287, 201368323746925262, 3158998987149180769, 49589358799802401415

Offset

1,1

Comments

Column 6 of A257189

Links

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

Example

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

Crossrefs

Cf. A257189

Sequence in context: A183745 A113951 A257194 * A254987 A236996 A250884

Adjacent sequences: A257184 A257185 A257186 * A257188 A257189 A257190

Keyword

nonn

Author

R. H. Hardin, Apr 17 2015

Status

approved