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A251506
Number of (n+1)X(7+1) 0..3 arrays with every 2X2 subblock summing to 3 4 5 6 7 8 or 9
1
1988695378, 66406260528122, 2213399667918018212, 73817882968740867259470, 2461849509898181667047178526, 82103804631580381524974704047000, 2738199348379960068519012031321385958
OFFSET
1,1
COMMENTS
Column 7 of A251507
LINKS
EXAMPLE
Some solutions for n=1
..0..0..0..0..2..1..1..1....0..0..0..0..2..0..3..3....0..0..0..0..0..0..1..2
..2..3..0..3..2..3..1..2....0..3..0..3..1..1..3..0....1..3..0..3..2..1..1..1
CROSSREFS
Sequence in context: A017483 A017615 A232129 * A259349 A204416 A335839
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 03 2014
STATUS
approved