A258906 Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock diagonal median plus antidiagonal median nondecreasing horizontally and vertically

51856, 510095, 5271330, 58411404, 575237942, 5661517795, 55658584373, 532429444542, 5037453136882, 47329532772441, 440718089753305, 4071997680549943, 37419648635807601, 342088892989819481

Offset

1,1

Comments

Column 4 of A258910

Links

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

Example

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

Crossrefs

Cf. A258910

Sequence in context: A003134 A253989 A253996 * A234181 A031679 A234679

Adjacent sequences: A258903 A258904 A258905 * A258907 A258908 A258909

Keyword

nonn

Author

R. H. Hardin, Jun 14 2015

Status

approved