A257192 Number of (4+2)X(n+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

39891, 213631, 1661786, 12941212, 106574293, 916707473, 7875023930, 66916972975, 571865228504, 4885833171477, 41691336304950, 355572944704403, 3034273391475241, 25884761299109748, 220809323036102848

Offset

1,1

Comments

Row 4 of A257189

Links

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

Example

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

Crossrefs

Cf. A257189

Sequence in context: A234920 A116220 A103809 * A257185 A254985 A210386

Adjacent sequences: A257189 A257190 A257191 * A257193 A257194 A257195

Keyword

nonn

Author

R. H. Hardin, Apr 17 2015

Status

approved