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A298378 Number of nX4 0..1 arrays with every element equal to 0, 2, 3, 5 or 6 king-move adjacent elements, with upper left element zero. 1
1, 18, 18, 47, 172, 504, 1502, 5011, 16723, 55130, 184504, 619998, 2084868, 7024818, 23676837, 79847524, 269324641, 908631125, 3065973546, 10346238353, 34915387305, 117832494393, 397671686820, 1342113470626, 4529581358627 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 4 of A298382.

LINKS

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

R. H. Hardin, Empirical recurrence of order 71

FORMULA

Empirical recurrence of order 71 (see link above)

EXAMPLE

Some solutions for n=7

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

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

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

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

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

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

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

CROSSREFS

Cf. A298382.

Sequence in context: A040307 A022352 A211411 * A299245 A050686 A165839

Adjacent sequences:  A298375 A298376 A298377 * A298379 A298380 A298381

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 18 2018

STATUS

approved

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Last modified September 25 11:26 EDT 2020. Contains 337337 sequences. (Running on oeis4.)