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A304470 Number of nX6 0..1 arrays with every element unequal to 0, 1, 2, 3 or 6 king-move adjacent elements, with upper left element zero. 1
32, 293, 810, 2957, 18879, 89071, 380640, 2075796, 10775870, 50236164, 252869601, 1311260758, 6430735023, 31832985392, 162138295874, 811240544560, 4028528684490, 20287686091795, 101987678409279, 509203732604582 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A304472.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A304472.

Sequence in context: A305228 A304773 A316516 * A316287 A306051 A317228

Adjacent sequences: A304467 A304468 A304469 * A304471 A304472 A304473

KEYWORD

nonn

AUTHOR

R. H. Hardin, May 13 2018

STATUS

approved

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Last modified November 27 13:09 EST 2022. Contains 358405 sequences. (Running on oeis4.)