A184311 Number of strings of numbers x(i=1..n) in 0..2 with sum i^2*x(i)^3 equal to n^2*8

1, 1, 1, 2, 2, 2, 3, 8, 12, 21, 47, 117, 316, 707, 1806, 4044, 9736, 21215, 47912, 104631, 225418, 486719, 1024621, 2189311, 4554744, 9632597, 19938907, 41704600, 86022324, 177951143, 365177921, 746905649, 1521061254, 3075578686, 6201375023

Offset

1,4

Comments

Column 2 of A184318

Links

R. H. Hardin, Table of n, a(n) for n = 1..61

Example

All solutions for n=5
..0....0
..0....0
..0....2
..0....2
..2....0

Crossrefs

Sequence in context: A101360 A270371 A351108 * A110910 A119532 A010583

Adjacent sequences: A184308 A184309 A184310 * A184312 A184313 A184314

Keyword

nonn

Author

R. H. Hardin Jan 10 2011

Status

approved