A301488 Number of nX5 0..1 arrays with every element equal to 0, 1, 2, 4, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

16, 138, 441, 2354, 15124, 93753, 594953, 3838256, 24838061, 160839839, 1042619839, 6763367230, 43889654521, 284881447030, 1849378643334, 12006623942213, 77953492723901, 506129442739365, 3286200443785495

Offset

1,1

Comments

Column 5 of A301491.

Links

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

Example

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

Crossrefs

Cf. A301491.

Sequence in context: A300495 A300934 A300878 * A232311 A048533 A303145

Adjacent sequences: A301485 A301486 A301487 * A301489 A301490 A301491

Keyword

nonn

Author

R. H. Hardin, Mar 22 2018

Status

approved