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A299557 Number of nX4 0..1 arrays with every element equal to 0, 2, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero. 1
1, 18, 15, 34, 77, 230, 734, 2261, 7050, 22143, 69461, 219276, 693784, 2194918, 6942360, 21968267, 69526220, 220063117, 696615382, 2205253721, 6981275736, 22101410710, 69970396941, 221520928868, 701324741453, 2220376409611 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 4 of A299561.

LINKS

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

R. H. Hardin, Empirical recurrence of order 72

FORMULA

Empirical recurrence of order 72 (see link above)

EXAMPLE

Some solutions for n=9

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

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

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

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

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

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

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

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

CROSSREFS

Cf. A299561.

Sequence in context: A159502 A077668 A298723 * A079293 A070646 A094381

Adjacent sequences:  A299554 A299555 A299556 * A299558 A299559 A299560

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 12 2018

STATUS

approved

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Last modified April 5 00:43 EDT 2020. Contains 333238 sequences. (Running on oeis4.)