A297886 Number of nX5 0..1 arrays with every element equal to 0, 1, 2 or 4 king-move adjacent elements, with upper left element zero.

16, 69, 41, 84, 114, 162, 248, 368, 520, 786, 1308, 2126, 3136, 5052, 7740, 12312, 19494, 30630, 49182, 76130, 120192, 192110, 300656, 478708, 758228, 1197796, 1891930, 2998742, 4757876, 7519778, 11939516, 18922092, 29922102, 47514564

Offset

1,1

Comments

Column 5 of A297889.

Links

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

R. H. Hardin, Empirical recurrence of order 86

Formula

Empirical recurrence of order 86 (see link above)

Example

Some solutions for n=7
..0..0..0..1..1. .0..1..0..1..0. .0..1..0..1..1. .0..0..1..0..0
..1..1..1..0..0. .1..0..1..0..0. .1..1..0..1..0. .1..1..0..1..1
..1..0..1..1..1. .0..1..0..1..1. .1..1..0..1..1. .0..1..1..1..0
..0..0..1..0..0. .1..1..0..0..0. .1..0..0..0..0. .1..0..0..0..1
..1..1..1..0..1. .0..0..0..1..1. .1..1..1..0..1. .0..0..1..0..0
..0..1..0..1..0. .1..1..0..1..0. .0..0..1..0..1. .1..1..0..1..1
..0..1..0..1..1. .0..0..1..0..1. .0..1..1..0..1. .1..0..1..0..1

Crossrefs

Cf. A297889.

Sequence in context: A005906 A247663 A235643 * A298491 A298291 A299385

Adjacent sequences: A297883 A297884 A297885 * A297887 A297888 A297889

Keyword

nonn

Author

R. H. Hardin, Jan 07 2018

Status

approved