A102464 a(n) is the number of distinct values of Product_{i=1..r} x_i!, where (x_1, ..., x_r) is an r-tuple of nonnegative integers with Sum_{i=1..r} i*x_i = n.

1, 2, 2, 3, 4, 6, 7, 10, 12, 14, 16, 21, 23, 28, 32, 39, 44, 52, 59, 69, 79, 89, 96, 112, 124, 144, 154, 177, 190, 219, 237, 264, 288, 322, 344, 398, 421, 471, 505, 558, 598, 672, 711, 787, 842, 930, 975, 1081, 1149, 1248, 1335, 1453, 1533, 1676, 1768, 1933, 2046

Offset

1,2

Links

Table of n, a(n) for n=1..57.

Crossrefs

Cf. A102462, A102463.

Sequence in context: A026928 A238588 A353863 * A082538 A035939 A365827

Adjacent sequences: A102461 A102462 A102463 * A102465 A102466 A102467

Keyword

nonn

Author

Vladeta Jovovic, Feb 23 2005

Extensions

More terms from David Wasserman, Apr 11 2008

Status

approved