A301495 Number of nX5 0..1 arrays with every element equal to 0, 1, 3, 4, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

8, 6, 45, 329, 2803, 21787, 164346, 1261122, 9663349, 74049013, 567238607, 4346212139, 33299808638, 255138546287, 1954832187142, 14977691730085, 114757139031139, 879254888227678, 6736741952342134, 51616087950953069

Offset

1,1

Comments

Column 5 of A301498.

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..0..0..1..1. .0..1..0..0..1. .0..1..1..1..1
..0..0..1..1..1. .1..0..0..0..0. .0..0..0..0..1. .1..1..1..1..1
..0..0..0..0..0. .0..1..1..0..0. .0..1..0..1..1. .1..1..0..0..1
..0..0..0..0..0. .1..1..1..0..0. .0..0..0..1..1. .1..1..1..1..1
..1..0..0..1..0. .1..1..1..1..0. .0..0..0..0..1. .1..1..0..0..1

Crossrefs

Cf. A301498.

Sequence in context: A075486 A123875 A217479 * A112145 A058088 A248291

Adjacent sequences: A301492 A301493 A301494 * A301496 A301497 A301498

Keyword

nonn

Author

R. H. Hardin, Mar 22 2018

Status

approved