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A302147 Number of nX5 0..1 arrays with every element equal to 0, 2, 3 or 4 horizontally or antidiagonally adjacent elements, with upper left element zero. 1
1, 3, 11, 56, 289, 1529, 8152, 43676, 234707, 1264018, 6818793, 36833925, 199192142, 1078202540, 5840738361, 31660718262, 171717441011, 931774434881, 5057989479520, 27465580937300, 149183431937487, 810502022734382 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 5 of A302150.

LINKS

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

FORMULA

Empirical: a(n) = 14*a(n-1) -65*a(n-2) +88*a(n-3) +132*a(n-4) -362*a(n-5) -39*a(n-6) +438*a(n-7) -19*a(n-8) -208*a(n-9) -16*a(n-10) +26*a(n-11) +4*a(n-12)

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A302150.

Sequence in context: A180875 A136104 A174627 * A007841 A036760 A000985

Adjacent sequences:  A302144 A302145 A302146 * A302148 A302149 A302150

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 02 2018

STATUS

approved

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Last modified October 28 18:53 EDT 2020. Contains 338064 sequences. (Running on oeis4.)