A269199 Number of nX6 0..3 arrays with some element plus some horizontally, diagonally or antidiagonally adjacent neighbor totalling three no more than once.

2592, 472044, 84310620, 13753913556, 2135938293684, 320994710282892, 47121391706947500, 6796525936086462132, 966936595386067680804, 136062368474581143710892, 18974537404982889834704892

Offset

1,1

Comments

Column 6 of A269201.

Links

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

R. H. Hardin, Empirical recurrence of order 42

Formula

Empirical recurrence of order 42 (see link above)

Example

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

Crossrefs

Cf. A269201.

Sequence in context: A269192 A033695 A269141 * A269107 A035773 A107569

Adjacent sequences: A269196 A269197 A269198 * A269200 A269201 A269202

Keyword

nonn

Author

R. H. Hardin, Feb 20 2016

Status

approved