A299140 - OEIS

A299140

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

5, 888, 43066, 1850266, 81988764, 3643124959, 161617794805, 7170422794173, 318133492126048, 14114785587679567, 626237253514871716, 27784560111505472054, 1232730529661461550436, 54693130285484874044208

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OFFSET

1,1

COMMENTS

Column 6 of A299142.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A299142.

Sequence in context: A206356 A298278 A299371 * A299935 A299065 A299837

Adjacent sequences: A299137 A299138 A299139 * A299141 A299142 A299143

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 03 2018

STATUS

approved