A299882 Number of n X 4 0..1 arrays with every element equal to 0, 1, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero.

5, 16, 28, 247, 677, 3597, 21500, 101350, 547390, 3014402, 15879818, 85661936, 464670067, 2494758156, 13461026845, 72728864941, 391976660899, 2115027220044, 11415578247159, 61577835273787, 332254034262548, 1792845725113464

Offset

1,1

Comments

Column 4 of A299886.

Links

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

R. H. Hardin, Empirical recurrence of order 66

Formula

Empirical recurrence of order 66 (see link above)

Example

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

Crossrefs

Cf. A299886.

Sequence in context: A063135 A030573 A063290 * A212457 A134594 A222535

Adjacent sequences: A299879 A299880 A299881 * A299883 A299884 A299885

Keyword

nonn

Author

R. H. Hardin, Feb 21 2018

Status

approved