login
A269151
Number of n X 7 0..3 arrays with some element plus some horizontally, antidiagonally or vertically adjacent neighbor totalling three exactly once.
1
5832, 2270592, 642676704, 167970539096, 42119837369168, 10275566914040000, 2456638851763181776, 578202261783376052264, 134401513805944458613328, 30926068491391277680083776, 7056680383368519798619918656
OFFSET
1,1
COMMENTS
Column 7 of A269152.
LINKS
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
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 20 2016
STATUS
approved