A269826 Number of nX5 0..4 arrays with some element plus some horizontally, diagonally, antidiagonally or vertically adjacent neighbor totalling four exactly once.

1280, 462680, 90748696, 16644595392, 2840332868960, 467693538063508, 74936429415811576, 11771832152564634464, 1821445245786662249776, 278444152926792624952684, 42152783102393213438270928

Offset

1,1

Comments

Column 5 of A269829.

Links

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

Example

Some solutions for n=1
..1..2..4..4..0. .1..3..0..1..4. .0..3..2..2..1. .1..0..1..0..4

Crossrefs

Cf. A269829.

Sequence in context: A237236 A090006 A170784 * A270055 A252116 A084803

Adjacent sequences: A269823 A269824 A269825 * A269827 A269828 A269829

Keyword

nonn

Author

R. H. Hardin, Mar 05 2016

Status

approved