A302282 Number of 5 X n 0..1 arrays with every element equal to 1, 2 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

0, 61, 269, 353, 1219, 3621, 14125, 38410, 108141, 360173, 1180191, 3638642, 10951971, 34382642, 110622932, 345400729, 1067870597, 3335600289, 10545285109, 33108634169, 103257933927, 322928627439, 1014950085156, 3186150407886

Offset

1,2

Comments

Row 5 of A302278.

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 1 1 1 1     0 1 1 1 1     0 0 1 0 0
  0 0 1 1 0     0 0 0 0 0     0 0 1 0 1     0 0 1 1 1
  0 0 0 0 0     1 1 0 1 0     0 1 0 1 1     1 1 1 0 0
  1 1 0 0 1     0 0 1 0 1     0 1 0 1 1     0 0 1 0 1
  0 0 1 1 0     0 1 0 1 0     1 0 1 0 1     0 0 1 1 1

Crossrefs

Cf. A302278.

Sequence in context: A029815 A142424 A252803 * A140854 A091912 A142605

Adjacent sequences: A302279 A302280 A302281 * A302283 A302284 A302285

Keyword

nonn

Author

R. H. Hardin, Apr 04 2018

Status

approved