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A238811
Number of nX7 0..2 arrays with no element equal to one plus the sum of elements to its left or one plus the sum of the sum of elements above it, modulo 3
1
8, 83, 916, 10423, 111564, 1055763, 8526852, 58670336, 348923836, 1828642499, 8605646168, 36967467110, 146912117938, 545935075576, 1913214178820, 6366247430819, 20225439045270, 61627721732585, 180783054211948
OFFSET
1,1
COMMENTS
Column 7 of A238812
FORMULA
Empirical polynomial of degree 28 (see link above)
EXAMPLE
Some solutions for n=5
..0..0..0..0..2..2..0....0..0..0..0..2..2..0....0..0..0..0..2..2..0
..0..0..0..0..2..1..2....0..2..2..0..1..1..0....2..2..0..0..1..1..0
..0..0..0..2..1..2..1....0..2..1..0..0..0..2....2..1..0..0..2..2..0
..0..0..2..1..2..1..0....0..0..0..0..0..2..2....0..0..0..2..2..1..2
..0..2..1..2..1..0..0....0..0..0..0..2..2..1....0..0..0..2..1..0..2
CROSSREFS
Sequence in context: A179980 A236671 A232226 * A307829 A039939 A199907
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 05 2014
STATUS
approved