A184255 Number of strings of numbers x(i=1..n) in 0..7 with sum i^3*x(i) equal to n^3*7

1, 1, 3, 8, 33, 152, 739, 3504, 16444, 76185, 346668, 1550082, 6808688, 29379874, 124602206, 519645017, 2132308133, 8614314587, 34283560541, 134495527119, 520403471407, 1987131598697, 7492030264125, 27904847289161, 102725012942213

Offset

1,3

Comments

Column 7 of A184257

Links

R. H. Hardin, Table of n, a(n) for n = 1..28

Example

Some solutions for n=5
..1....4....7....6....7....5....1....3....0....6....3....0....1....6....7....5
..0....6....6....1....6....7....5....4....1....7....6....3....2....4....0....2
..2....0....7....4....0....0....3....3....4....2....5....6....4....3....2....6
..5....7....4....2....5....1....2....6....6....6....1....1....0....4....1....3
..4....3....3....5....4....6....5....3....3....3....5....5....6....4....6....4

Crossrefs

Sequence in context: A195499 A225688 A109655 * A001120 A302629 A339315

Adjacent sequences: A184252 A184253 A184254 * A184256 A184257 A184258

Keyword

nonn

Author

R. H. Hardin Jan 10 2011

Status

approved