A256902 Number of (n+2)X(6+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the central row and column plus the two sums of the diagonal and antidiagonal nondecreasing horizontally and vertically

330684, 1041135, 4825736, 9831933, 12286621, 20148566, 19349729, 30191085, 44348914, 64717222, 103395368, 166180222, 266021084, 423283057, 677562838, 1080294232, 1710519015, 2690622153, 4203208172, 6519031723, 10019794318

Offset

1,1

Comments

Column 6 of A256904

Links

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

Example

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

Crossrefs

Cf. A256904

Sequence in context: A236808 A259011 A259004 * A244044 A134359 A013913

Adjacent sequences: A256899 A256900 A256901 * A256903 A256904 A256905

Keyword

nonn

Author

R. H. Hardin, Apr 12 2015

Status

approved