A303099 Number of nX5 0..1 arrays with every element equal to 1, 2, 3, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

3, 161, 2913, 58160, 1138331, 22292709, 436394066, 8545589681, 167325743073, 3276397352974, 64154700406471, 1256205180765473, 24597599305382336, 481642558107218459, 9430983527094262675, 184666925800707714070

Offset

1,1

Comments

Column 5 of A303102.

Links

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

R. H. Hardin, Empirical recurrence of order 90

Formula

Empirical recurrence of order 90 (see link above)

Example

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

Crossrefs

Cf. A303102.

Sequence in context: A201429 A067322 A302378 * A302950 A173128 A157440

Adjacent sequences: A303096 A303097 A303098 * A303100 A303101 A303102

Keyword

nonn

Author

R. H. Hardin, Apr 18 2018

Status

approved