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A302731 Number of 6Xn 0..1 arrays with every element equal to 1, 2, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. 1
0, 162, 1079, 941, 4491, 20842, 89121, 286746, 1022779, 4520360, 18491493, 67714259, 259145846, 1045498404, 4177884352, 16077695845, 62395241080, 246809269806, 974367008077, 3802389262429, 14855944546521, 58398777429077 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row 6 of A302728.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

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

CROSSREFS

Cf. A302728.

Sequence in context: A302283 A186844 A319915 * A206145 A342850 A304166

Adjacent sequences:  A302728 A302729 A302730 * A302732 A302733 A302734

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 12 2018

STATUS

approved

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Last modified July 2 13:34 EDT 2022. Contains 355007 sequences. (Running on oeis4.)