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A299124 Number of nX4 0..1 arrays with every element equal to 0, 1, 3, 4, 5 or 7 king-move adjacent elements, with upper left element zero. 1
5, 16, 23, 232, 623, 3368, 20226, 95305, 517446, 2849177, 14996918, 80878846, 438307578, 2350137185, 12666447836, 68352017686, 367891360100, 1982533944388, 10686608415147, 57568972855703, 310217349581539, 1671740619224755 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A299128.

LINKS

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

R. H. Hardin, Empirical recurrence of order 66

FORMULA

Empirical recurrence of order 66 (see link above)

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A299128.

Sequence in context: A031120 A029450 A225539 * A278415 A063243 A063232

Adjacent sequences: A299121 A299122 A299123 * A299125 A299126 A299127

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 03 2018

STATUS

approved

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Last modified December 3 16:35 EST 2022. Contains 358534 sequences. (Running on oeis4.)