A050339 Number of factorizations with 2 levels of parentheses indexed by prime signatures. A050338(A025487).

1, 1, 4, 4, 10, 16, 30, 54, 22, 75, 74, 176, 102, 206, 267, 535, 399, 518, 950, 526, 1585, 154, 1094, 1446, 1344, 3091, 2252, 4527, 817, 4158, 4879, 3357, 9809, 8811, 12664, 3605, 14653, 3005, 15738, 8429, 10479, 29762, 4777, 16863, 31883, 34631

Offset: 1

Author

Christian G. Bower, Oct 15 1999

Keywords

• nonn

Crossrefs

Cf. A025487, A050338.