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A184297
Number of strings of numbers x(i=1..n) in 0..3 with sum i^3*x(i)^2 equal to n^3*9
0
1, 1, 1, 1, 1, 5, 4, 18, 52, 84, 243, 844, 2265, 6462, 15993, 52222, 136310, 389017, 998916, 2953402, 7916043, 21798836, 57115869, 161252708, 426637798, 1149156169, 3004327516, 8128762648, 21242600043
OFFSET
1,6
COMMENTS
Column 3 of A184303
EXAMPLE
All solutions for n=5
..0
..0
..0
..0
..3
CROSSREFS
Sequence in context: A100791 A056883 A006747 * A108412 A205008 A133167
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 10 2011
STATUS
approved