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A317893 Number of nX5 0..1 arrays with every element unequal to 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. 1
0, 5, 59, 549, 6193, 67792, 741031, 8119416, 88900423, 973425343, 10659656523, 116727563443, 1278205487608, 13996816969414, 153270295230335, 1678365696618678, 18378717159170458, 201253665901097643 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 5 of A317896.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A317896.

Sequence in context: A112461 A222585 A260630 * A106105 A178003 A036947

Adjacent sequences:  A317890 A317891 A317892 * A317894 A317895 A317896

KEYWORD

nonn

AUTHOR

R. H. Hardin, Aug 10 2018

STATUS

approved

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Last modified May 26 17:16 EDT 2022. Contains 354092 sequences. (Running on oeis4.)