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A317820 Number of nX5 0..1 arrays with every element unequal to 1, 2 or 3 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. 1
3, 160, 356, 2726, 8556, 47374, 179111, 878802, 3604079, 16657873, 71153802, 320111818, 1390832362, 6188854830, 27092156914, 119925512941, 526911251983, 2326470845881, 10239421120031, 45158496956400, 198899068210330 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A317823.

LINKS

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

R. H. Hardin, Empirical recurrence of order 94

FORMULA

Empirical recurrence of order 94 (see link above)

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A317823.

Sequence in context: A048797 A281799 A163320 * A318427 A318095 A108159

Adjacent sequences:  A317817 A317818 A317819 * A317821 A317822 A317823

KEYWORD

nonn

AUTHOR

R. H. Hardin, Aug 07 2018

STATUS

approved

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Last modified April 20 06:59 EDT 2021. Contains 343125 sequences. (Running on oeis4.)