A199234 Number of nX5 0..2 arrays with values 0..2 introduced in row major order, the number of instances of each value within one of each other, and every element equal to at least one horizontal or vertical neighbor

0, 31, 1162, 233185, 16467051, 410003607, 88764401434, 6694765030353, 173658860616275, 39468698299166073, 3071783011857585339

Offset

1,2

Comments

Column 5 of A199237

Links

Table of n, a(n) for n=1..11.

Example

Some solutions for n=4
..0..0..0..1..1....0..1..2..1..1....0..0..1..1..1....0..1..0..1..2
..0..1..1..2..1....0..1..2..2..2....0..2..1..0..2....0..1..0..1..2
..2..1..1..2..2....0..1..1..1..2....2..2..0..0..2....0..0..2..2..2
..2..2..2..0..0....0..0..0..0..2....1..1..1..2..2....0..1..1..2..2

Crossrefs

Sequence in context: A218285 A138861 A015257 * A123826 A130004 A182784

Adjacent sequences: A199231 A199232 A199233 * A199235 A199236 A199237

Keyword

nonn

Author

R. H. Hardin Nov 04 2011

Status

approved