A254891 Number of (n+2)X(5+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal median nondecreasing horizontally and vertically

123448, 516726, 2580056, 15790369, 42268052, 112212755, 285887828, 618934541, 1350494500, 2846403490, 5457308162, 10176928711, 18525837896, 32797197834, 57814835454, 101333055480, 176155226758, 306747409603, 534337638068

Offset

1,1

Comments

Column 5 of A254894

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..0....0..0..0..0..0..1..1....0..1..1..0..0..0..1
..1..0..0..0..0..1..1....0..0..0..0..0..1..1....1..0..1..0..1..0..0
..0..0..0..0..1..0..1....1..1..1..1..1..1..1....1..0..0..0..1..1..1

Crossrefs

Sequence in context: A345822 A254017 A254024 * A178476 A104973 A077301

Adjacent sequences: A254888 A254889 A254890 * A254892 A254893 A254894

Keyword

nonn

Author

R. H. Hardin, Feb 10 2015

Status

approved