A269192 Number of nX6 0..3 arrays with some element plus some horizontally, diagonally, antidiagonally or vertically adjacent neighbor totalling three no more than once.

2592, 168252, 16629436, 1567933676, 145995171708, 13377149358556, 1209655310225276, 108189166610803900, 9588279038550679252, 843282890295576773948, 73686476215233408557636, 6403039770601949503501428

Offset

1,1

Comments

Column 6 of A269194.

Links

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

Example

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

Crossrefs

Cf. A269194.

Sequence in context: A204782 A204775 A360841 * A033695 A269141 A269199

Adjacent sequences: A269189 A269190 A269191 * A269193 A269194 A269195

Keyword

nonn

Author

R. H. Hardin, Feb 20 2016

Status

approved