A302431 Number of 6Xn 0..1 arrays with every element equal to 0, 1, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

32, 42, 93, 362, 992, 4231, 14764, 53851, 182216, 685166, 2496115, 9055292, 32007765, 116943901, 427027396, 1549343892, 5552467791, 20133254864, 73288484477, 265972968443, 958816836857, 3470377190140, 12600871895519

Offset

1,1

Comments

Row 6 of A302427.

Links

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

Example

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

Crossrefs

Cf. A302427.

Sequence in context: A302168 A104390 A302639 * A303201 A302314 A303044

Adjacent sequences: A302428 A302429 A302430 * A302432 A302433 A302434

Keyword

nonn

Author

R. H. Hardin, Apr 07 2018

Status

approved