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A233097
Number of nX7 0..3 arrays with no element x(i,j) adjacent to value 3-x(i,j) horizontally, diagonally or antidiagonally, top left element zero, and 1 appearing before 2 in row major order
1
365, 83315, 21452183, 5614356176, 1476681563849, 388985760511817, 102515478543489824, 27021633671144767049, 7122868766398379684267, 1877608516657753300139888, 494945420689273662809523965
OFFSET
1,1
COMMENTS
Column 7 of A233098
LINKS
EXAMPLE
Some solutions for n=2
..0..0..1..0..1..3..1....0..1..0..0..1..0..0....0..1..1..3..2..3..1
..1..0..2..3..2..3..1....1..1..0..1..1..0..1....3..1..3..3..3..3..3
CROSSREFS
Sequence in context: A275503 A275400 A275265 * A223386 A275095 A275351
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 04 2013
STATUS
approved