A300263 Number of nX4 0..1 arrays with every element equal to 0, 1, 2, 3, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

8, 88, 375, 2030, 12324, 71529, 412094, 2398145, 13965762, 81253079, 472851402, 2752482575, 16022640154, 93271665191, 542972865898, 3160919044027, 18401442719156, 107125485995213, 623642100886430, 3630605618341821

Offset

1,1

Comments

Column 4 of A300267.

Links

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

R. H. Hardin, Empirical recurrence of order 64

Formula

Empirical recurrence of order 64 (see link above)

Example

Some solutions for n=5
..0..0..1..1. .0..0..1..0. .0..1..1..1. .0..1..1..1. .0..0..1..1
..1..1..0..1. .1..0..0..1. .1..1..0..0. .1..0..0..1. .0..1..0..0
..0..0..1..0. .0..0..0..0. .0..0..0..1. .0..0..0..1. .0..1..0..1
..1..0..1..0. .1..0..1..0. .0..1..0..0. .1..0..1..0. .0..0..1..1
..0..1..1..0. .0..0..0..1. .0..1..1..1. .0..0..1..1. .1..1..1..0

Crossrefs

Cf. A300267.

Sequence in context: A299004 A299671 A299749 * A367278 A030984 A109021

Adjacent sequences: A300260 A300261 A300262 * A300264 A300265 A300266

Keyword

nonn

Author

R. H. Hardin, Mar 01 2018

Status

approved