A257152 Number of (n+2) X (6+2) 0..1 arrays with every 3 X 3 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, vertically and ne-to-sw antidiagonally.

1223367, 16759085, 303570406, 5227360394, 90781754582, 1618913713517, 28823946919854, 511817645366610, 9098220838706972, 161738430206897088, 2874855048099514923, 51101505829388775443, 908353565368209584649

Offset

1,1

Comments

Column 6 of A257154.

Links

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

Example

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

Crossrefs

Cf. A257154.

Sequence in context: A234997 A213703 A270268 * A257159 A254741 A203259

Adjacent sequences: A257149 A257150 A257151 * A257153 A257154 A257155

Keyword

nonn

Author

R. H. Hardin, Apr 16 2015

Status

approved