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A300104 Number of nX4 0..1 arrays with every element equal to 1, 2, 3, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero. 1
2, 52, 226, 1041, 5526, 29439, 150416, 781647, 4082439, 21222937, 110388099, 574756967, 2991427381, 15568650875, 81036181631, 421794216427, 2195417598827, 11427201537107, 59479013183583, 309590293053773, 1611431130841749 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A300108.

LINKS

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

R. H. Hardin, Empirical recurrence of order 67

FORMULA

Empirical recurrence of order 67 (see link above)

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A300108.

Sequence in context: A298385 A299303 A299461 * A034311 A053317 A123803

Adjacent sequences: A300101 A300102 A300103 * A300105 A300106 A300107

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 25 2018

STATUS

approved

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Last modified December 7 10:26 EST 2022. Contains 358656 sequences. (Running on oeis4.)