login
A183593
1/24 the number of (n+1)X9 0..3 arrays with every 2X2 subblock containing exactly three distinct values
0
36013568, 142681644568, 552606468835138, 2147583158143435461, 8342194020938064158034, 32407200636226196823851489
OFFSET
1,1
COMMENTS
Column 8 of A183594
EXAMPLE
Some solutions with a(1,1)=0 for 3X9
..0..0..0..0..2..3..2..2..0....0..0..0..0..2..3..1..1..3
..2..1..2..1..0..2..1..3..3....2..1..2..1..0..2..3..2..1
..0..0..0..0..2..3..2..1..0....0..0..0..0..2..3..0..0..1
CROSSREFS
Sequence in context: A258955 A037252 A064586 * A183755 A105296 A362964
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 05 2011
STATUS
approved