A050350 Number of factorizations into distinct factors with 3 levels of parentheses indexed by prime signatures. A050349(A025487).

1, 1, 1, 5, 5, 15, 11, 45, 35, 25, 65, 130, 145, 60, 240, 351, 520, 141, 810, 775, 926, 315, 1037, 1721, 321, 2532, 3302, 2392, 1640, 3951, 5310, 742, 7500, 12498, 6043, 6915, 13795, 4970, 15624, 1688, 16198, 21435, 10352, 16733, 43404, 15035, 25967