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A298708 Number of nX4 0..1 arrays with every element equal to 1, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero. 1
1, 13, 2, 11, 32, 87, 110, 385, 908, 2760, 6454, 17925, 51777, 141793, 378486, 1095621, 3060776, 8412703, 23884402, 67448745, 187193308, 529617392, 1496665754, 4179115507, 11797048913, 33344442453, 93407406180, 263365123043 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 4 of A298712.

LINKS

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

R. H. Hardin, Empirical recurrence of order 70

FORMULA

Empirical recurrence of order 70 (see link above)

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A298712.

Sequence in context: A070704 A317753 A298059 * A124686 A113807 A008832

Adjacent sequences:  A298705 A298706 A298707 * A298709 A298710 A298711

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 25 2018

STATUS

approved

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Last modified September 20 22:20 EDT 2019. Contains 327252 sequences. (Running on oeis4.)