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A183883
Number of arrangements of n+2 numbers in 0..8 with each number being the sum mod 9 of two others
2
1, 31, 1761, 75451, 1598395, 23327655, 275846173, 2895194179, 28388585391, 267809160367, 2472279047473, 22552186971627, 204400652073763, 1846262280059767, 16646854130219781, 149959684159252819
OFFSET
1,2
COMMENTS
Column 8 of A183884
LINKS
EXAMPLE
Some solutions for n=2
..6....3....0....6....0....6....3....3....3....6....3....6....3....3....6....6
..6....0....0....0....6....3....3....6....3....3....6....3....6....0....0....6
..3....6....0....3....6....0....6....0....6....0....3....6....6....6....3....3
..0....3....0....6....3....3....6....3....0....6....0....3....0....6....3....3
CROSSREFS
Sequence in context: A185512 A221444 A185665 * A049081 A069432 A338533
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 07 2011
STATUS
approved