A300027 Number of nX5 0..1 arrays with every element equal to 0, 1, 3, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

8, 34, 19, 220, 1637, 4320, 30072, 206967, 903664, 5528305, 33865076, 178421588, 1041376007, 6119845720, 34193886672, 197233778418, 1141888439215, 6502450589845, 37394525903413, 215421948327015, 1234270970196951

Offset

1,1

Comments

Column 5 of A300030.

Links

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

Example

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

Crossrefs

Cf. A300030.

Sequence in context: A298317 A299390 A299191 * A301793 A301966 A196143

Adjacent sequences: A300024 A300025 A300026 * A300028 A300029 A300030

Keyword

nonn

Author

R. H. Hardin, Feb 23 2018

Status

approved