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A299584 Number of nX4 0..1 arrays with every element equal to 1, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero. 1
1, 16, 8, 84, 229, 720, 4326, 15638, 62867, 299505, 1292124, 5301037, 23788861, 105382810, 445139633, 1954124848, 8627099683, 37128694429, 161785978010, 710198752914, 3082692941493, 13413874059673, 58661578434695 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 4 of A299588.

LINKS

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

R. H. Hardin, Empirical recurrence of order 64

FORMULA

Empirical recurrence of order 64 (see link above)

EXAMPLE

Some solutions for n=5

..0..0..0..0. .0..0..0..0. .0..0..0..0. .0..0..0..0. .0..0..0..0

..0..0..0..0. .0..0..0..0. .0..0..0..0. .0..0..0..0. .0..0..0..0

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

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

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

CROSSREFS

Cf. A299588.

Sequence in context: A316690 A258160 A040243 * A213558 A164703 A153724

Adjacent sequences: A299581 A299582 A299583 * A299585 A299586 A299587

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 13 2018

STATUS

approved

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Last modified December 9 14:35 EST 2022. Contains 358700 sequences. (Running on oeis4.)