A269151 Number of n X 7 0..3 arrays with some element plus some horizontally, antidiagonally or vertically adjacent neighbor totalling three exactly once.

5832, 2270592, 642676704, 167970539096, 42119837369168, 10275566914040000, 2456638851763181776, 578202261783376052264, 134401513805944458613328, 30926068491391277680083776, 7056680383368519798619918656

Offset

1,1

Comments

Column 7 of A269152.

Links

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

Example

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

Crossrefs

Cf. A269152.

Sequence in context: A251189 A269185 A147859 * A269213 A114771 A269096

Adjacent sequences: A269148 A269149 A269150 * A269152 A269153 A269154

Keyword

nonn

Author

R. H. Hardin, Feb 20 2016

Status

approved