A305486 Number of nX5 0..1 arrays with every element unequal to 1, 2, 3, 6 or 8 king-move adjacent elements, with upper left element zero.

3, 70, 137, 195, 2094, 7007, 16464, 91350, 348956, 1047508, 4508452, 17741919, 60248568, 237122355, 928231841, 3353015080, 12819796262, 49662120190, 184865377971, 701774848637, 2697667496175, 10183982612578, 38658538187132

Offset

1,1

Comments

Column 5 of A305489.

Links

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

R. H. Hardin, Empirical recurrence of order 97

Formula

Empirical recurrence of order 97 (see link above)

Example

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

Crossrefs

Cf. A305489.

Sequence in context: A247031 A037109 A304146 * A132793 A305086 A316737

Adjacent sequences: A305483 A305484 A305485 * A305487 A305488 A305489

Keyword

nonn

Author

R. H. Hardin, Jun 02 2018

Status

approved