A302824 Number of 6Xn 0..1 arrays with every element equal to 0, 1, 2, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

32, 857, 8485, 51476, 454733, 5520999, 58122740, 535479917, 5157154189, 53093061218, 540288316449, 5345428744717, 53027374853798, 532672142887053, 5353282756285143, 53526563573229032, 534895931849423071

Offset

1,1

Comments

Row 6 of A302820.

Links

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

Example

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

Crossrefs

Cf. A302820.

Sequence in context: A303186 A302327 A303020 * A303517 A240482 A240634

Adjacent sequences: A302821 A302822 A302823 * A302825 A302826 A302827

Keyword

nonn

Author

R. H. Hardin, Apr 13 2018

Status

approved