A270149 Number of nX6 0..7 arrays with some element plus some horizontally, diagonally, antidiagonally or vertically adjacent neighbor totalling seven exactly once.

96040, 7623445344, 256330155581328, 7232246139319438944, 187171034679828236009184, 4602680013721951976373349248, 109415349266339821204781196878928, 2539102809743114824610200456128170208

Offset

1,1

Comments

Column 6 of A270150.

Links

R. H. Hardin, Table of n, a(n) for n = 1..32

Example

Some solutions for n=1
..0..3..1..1..6..6. .2..4..2..7..0..6. .0..5..1..7..0..5. .4..7..4..5..6..1

Crossrefs

Cf. A270150.

Sequence in context: A116228 A116253 A116265 * A270116 A031676 A205613

Adjacent sequences: A270146 A270147 A270148 * A270150 A270151 A270152

Keyword

nonn

Author

R. H. Hardin, Mar 12 2016

Status

approved