A269150 Number of nX6 0..3 arrays with some element plus some horizontally, antidiagonally or vertically adjacent neighbor totalling three exactly once.

1620, 330192, 46576336, 6004186984, 738478504448, 88082672552208, 10275566914040000, 1178661175005532168, 133416857282270562320, 14941436920498380518848, 1658672032118594665963168

Offset

1,1

Comments

Column 6 of A269152.

Links

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

Example

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

Crossrefs

Cf. A269152.

Sequence in context: A206537 A269278 A269184 * A269212 A269095 A269274

Adjacent sequences: A269147 A269148 A269149 * A269151 A269152 A269153

Keyword

nonn

Author

R. H. Hardin, Feb 20 2016

Status

approved