A317227 Number of n X 5 0..1 arrays with every element unequal to 0, 1, 2, 3, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

16, 120, 488, 2306, 17039, 101712, 575421, 3632635, 22324637, 134347668, 824549745, 5050822904, 30786530633, 188266299052, 1151500695746, 7035687340672, 43009686929712, 262955909491111, 1607358232719317

Offset

1,1

Comments

Column 5 of A317230.

Links

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

R. H. Hardin, Empirical recurrence of order 84

Formula

Empirical recurrence of order 84 (see link above).

Example

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

Crossrefs

Cf. A317230.

Sequence in context: A306050 A248621 A190049 * A138571 A047641 A010932

Adjacent sequences: A317224 A317225 A317226 * A317228 A317229 A317230

Keyword

nonn

Author

R. H. Hardin, Jul 24 2018

Status

approved