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A305591 Number of nX6 0..1 arrays with every element unequal to 0, 1, 2, 3, 5 or 6 king-move adjacent elements, with upper left element zero. 1
32, 569, 6818, 89466, 1103744, 13941521, 175683720, 2213918787, 27910555993, 351952078164, 4437792774181, 55955951985349, 705571347078058, 8896876212494566, 112184230213989901, 1414576206492956374 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A305593.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A305593.

Sequence in context: A316207 A305774 A317123 * A317009 A316874 A317602

Adjacent sequences:  A305588 A305589 A305590 * A305592 A305593 A305594

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jun 05 2018

STATUS

approved

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Last modified May 22 12:28 EDT 2022. Contains 353950 sequences. (Running on oeis4.)