A257159 Number of (6+2)X(n+2) 0..1 arrays with every 3X3 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, 19028310, 295114929, 4926932828, 88719570970, 1618913713517, 29091719386474, 521342065918683, 9324568484584043, 166378440386504667, 2964299175474200382, 52771371147498273044, 938923629079031853253

Offset

1,1

Comments

Row 6 of A257154

Links

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

Example

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

Crossrefs

Cf. A257154

Sequence in context: A213703 A270268 A257152 * A254741 A203259 A192219

Adjacent sequences: A257156 A257157 A257158 * A257160 A257161 A257162

Keyword

nonn

Author

R. H. Hardin, Apr 16 2015

Status

approved