A302371 Number of 5Xn 0..1 arrays with every element equal to 0, 2, 3 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

16, 6, 397, 209, 6580, 26458, 405340, 3462040, 41451287, 458150190, 5345696079, 62248870169, 729804695624, 8580310210250, 100969181068120, 1189454516588708, 14015983416421641, 165203770204722957, 1947463456028707595

Offset

1,1

Comments

Row 5 of A302367.

Links

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

Example

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

Crossrefs

Cf. A302367.

Sequence in context: A302463 A303245 A216160 * A303087 A302892 A303627

Adjacent sequences: A302368 A302369 A302370 * A302372 A302373 A302374

Keyword

nonn

Author

R. H. Hardin, Apr 06 2018

Status

approved