A184440 Number of strings of numbers x(i=1..n) in 0..8 with sum i*x(i)^2 equal to n*64

1, 1, 3, 28, 146, 1160, 6805, 38560, 248861, 1376999, 7346823, 40066933, 205138785, 1021202011, 5016967826, 23832660309, 110581697393, 503553260431, 2240165792600, 9769058509321, 41836840405957, 175853358107466

Offset

1,3

Comments

Column 8 of A184441

Links

R. H. Hardin, Table of n, a(n) for n = 1..44

Example

Some solutions for n=5
..1....0....3....5....0....1....1....5....4....8....7....3....4....7....0....3
..5....8....2....1....8....1....2....7....4....2....8....4....6....2....4....1
..6....8....3....4....4....8....7....4....8....1....3....1....4....7....3....4
..3....0....8....0....4....0....6....6....0....0....3....7....1....3....8....8
..5....0....2....7....4....5....2....1....4....7....4....4....6....4....1....1

Crossrefs

Sequence in context: A048367 A095665 A145346 * A012762 A012778 A302522

Adjacent sequences: A184437 A184438 A184439 * A184441 A184442 A184443

Keyword

nonn

Author

R. H. Hardin Jan 14 2011

Status

approved