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A232148
Number of nX5 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally, diagonally or antidiagonally
1
33, 9097, 1345057, 191897041, 28299613241, 4162183572673, 611509764410977, 89867078251266793, 13206967487410509425, 1940884632158817604561, 285231108677152301063361, 41917391964120609870363297
OFFSET
1,1
COMMENTS
Column 5 of A232149
FORMULA
Empirical recurrence of order 81 (see link above)
EXAMPLE
Some solutions for n=2
..2..2..1..1..1....1..2..2..0..2....0..1..0..1..0....2..1..0..2..2
..0..1..1..2..2....2..1..1..2..2....2..2..1..2..2....0..0..1..0..2
CROSSREFS
Sequence in context: A061687 A116056 A337807 * A229845 A232306 A092815
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 19 2013
STATUS
approved