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A301846 Number of 6Xn 0..1 arrays with every element equal to 0, 1 or 2 horizontally or antidiagonally adjacent elements, with upper left element zero. 1
32, 2048, 23909, 414385, 6196305, 97439921, 1518341751, 23681717605, 370162554361, 5783766875077, 90425278777100, 1414012375653788, 22113880913447546, 345860482462563671, 5409344555270493414 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 6 of A301841.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

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

CROSSREFS

Cf. A301841.

Sequence in context: A304123 A291826 A302270 * A302969 A302073 A302812

Adjacent sequences:  A301843 A301844 A301845 * A301847 A301848 A301849

KEYWORD

nonn

AUTHOR

R. H. Hardin, Mar 27 2018

STATUS

approved

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Last modified January 19 20:22 EST 2022. Contains 350466 sequences. (Running on oeis4.)