A240628 Number of nX5 0..3 arrays with no element equal to exactly two horizontal and vertical neighbors, with new values 0..3 introduced in row major order

40, 16624, 7462748, 3367163455, 1519699081714, 685854075788477, 309535605539765299, 139697630796640339536, 63047448929964784303613, 28454174772679454861874697, 12841757682871155282688313826

Offset

1,1

Comments

Column 5 of A240629

Links

R. H. Hardin, Table of n, a(n) for n = 1..25

Example

Some solutions for n=2
..0..1..2..1..1....0..1..2..1..2....0..1..0..2..0....0..0..1..0..2
..0..1..2..0..3....3..1..0..2..1....2..2..0..1..3....3..2..3..3..2

Crossrefs

Sequence in context: A221391 A279578 A159680 * A159390 A204682 A205158

Adjacent sequences: A240625 A240626 A240627 * A240629 A240630 A240631

Keyword

nonn

Author

R. H. Hardin, Apr 09 2014

Status

approved