A295549 Number of n X 6 0..1 arrays with each 1 horizontally or vertically adjacent to 1, 3 or 4 1's.

9, 123, 1304, 15352, 179499, 2094347, 24486926, 286066769, 3346911102, 39141756607, 457771094010, 5354175917072, 62622610122842, 732437610374180, 8566677758408830, 100197065802895908, 1171918197958873398

Offset

1,1

Comments

Column 6 of A295551.

Links

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

Example

Some solutions for n=5
..0..1..1..0..0..0. .0..1..1..0..0..0. .1..1..0..0..1..0. .1..1..0..0..1..0
..0..0..0..1..0..0. .0..0..0..1..1..0. .0..0..0..1..1..1. .0..0..0..0..1..0
..1..0..1..1..1..0. .1..1..0..0..0..0. .1..1..0..0..0..0. .0..0..0..0..0..0
..1..0..0..1..0..0. .0..0..0..0..1..1. .0..0..0..0..0..1. .1..1..0..1..0..0
..0..0..0..0..0..0. .0..0..1..1..0..0. .0..0..1..1..0..1. .0..0..1..1..1..0

Crossrefs

Cf. A295551.

Sequence in context: A199139 A365848 A295095 * A211101 A269627 A209504

Adjacent sequences: A295546 A295547 A295548 * A295550 A295551 A295552

Keyword

nonn

Author

R. H. Hardin, Nov 23 2017

Status

approved