A257207 Number of (n+2)X(6+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

219706, 443711, 411303, 753005, 640929, 516615, 675943, 769789, 876597, 1089188, 1305183, 1551382, 1851722, 2195415, 2590158, 3029318, 3516086, 4063777, 4672716, 5347330, 6075568, 6871137, 7747708, 8708189, 9740806, 10853545, 12070515

Offset

1,1

Comments

Column 6 of A257209

Links

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

Example

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

Crossrefs

Cf. A257209

Sequence in context: A258678 A254912 A254905 * A204968 A294014 A234489

Adjacent sequences: A257204 A257205 A257206 * A257208 A257209 A257210

Keyword

nonn

Author

R. H. Hardin, Apr 18 2015

Status

approved