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A298392 Number of nX4 0..1 arrays with every element equal to 1, 2, 4, 5 or 6 king-move adjacent elements, with upper left element zero. 1
2, 13, 29, 112, 432, 1915, 7556, 29657, 123601, 506005, 2045992, 8338063, 34081117, 138882034, 565662142, 2306767356, 9406512939, 38341596638, 156298964930, 637236157303, 2597868552855, 10590565910150, 43175175465961 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A298396.

LINKS

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

R. H. Hardin, Empirical recurrence of order 68

FORMULA

Empirical recurrence of order 68 (see link above)

EXAMPLE

Some solutions for n=5

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

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

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

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

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

CROSSREFS

Cf. A298396.

Sequence in context: A174049 A141336 A253970 * A299510 A299310 A300111

Adjacent sequences: A298389 A298390 A298391 * A298393 A298394 A298395

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 18 2018

STATUS

approved

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Last modified December 1 01:13 EST 2022. Contains 358453 sequences. (Running on oeis4.)