A299133 Number of nX6 0..1 arrays with every element equal to 0, 2, 3, 4, 5 or 7 king-move adjacent elements, with upper left element zero.

1, 389, 2621, 75592, 1969223, 54173918, 1576974771, 45531416012, 1330533860979, 38865409949696, 1136924948974306, 33271000186874399, 973756893397332773, 28503033545959278420, 834331965631542216193, 24422884295729546061544

Offset

1,2

Comments

Column 6 of A299135.

Links

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

Example

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

Crossrefs

Cf. A299135.

Sequence in context: A257119 A298238 A299364 * A205920 A299891 A299058

Adjacent sequences: A299130 A299131 A299132 * A299134 A299135 A299136

Keyword

nonn

Author

R. H. Hardin, Feb 03 2018

Status

approved