A184843 Number of strings of numbers x(i=1..n) in 0..4 with sum i*x(i)^4 equal to n*256

1, 1, 2, 2, 3, 13, 33, 113, 433, 2358, 8535, 28389, 112039, 427748, 1769874, 6610091, 24128241, 90190764, 331582813, 1222929244, 4421062767, 15812600521, 56305580500, 198730488338, 696900040653, 2421645299793, 8352195108762

Offset

1,3

Comments

Column 4 of A184848

Links

R. H. Hardin, Table of n, a(n) for n = 1..43

Example

All solutions for n=5
..0....4....0
..4....0....0
..4....0....0
..0....4....0
..0....0....4

Crossrefs

Sequence in context: A126339 A268725 A153929 * A100362 A062439 A139521

Adjacent sequences: A184840 A184841 A184842 * A184844 A184845 A184846

Keyword

nonn

Author

R. H. Hardin Jan 23 2011

Status

approved