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A184715
Number of strings of numbers x(i=1..n) in 0..4 with sum i*x(i)^3 equal to n*64
1
1, 1, 2, 2, 6, 22, 125, 467, 1669, 6070, 22559, 82566, 297554, 1051581, 3645141, 12437607, 41861648, 138913639, 454992647, 1471640292, 4703510789, 14860920840, 46445544294, 143657460676, 439924290065, 1334372714797, 4010370283394
OFFSET
1,3
COMMENTS
Column 4 of A184720
LINKS
EXAMPLE
All solutions for n=5
..0....4....0....2....0....1
..4....0....0....2....0....4
..4....0....0....0....2....2
..0....4....0....4....4....2
..0....0....4....2....2....3
CROSSREFS
Sequence in context: A097090 A085403 A112478 * A292319 A290653 A138801
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 20 2011
STATUS
approved