Number of partitions of n into divisors of n with at most one 1.

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =1a(5) =4a(6) =1a(7) =4a(8) =2a(9) =4a(10) =1a(11) =17a(12) =1a(13) =4a(14) =4a(15) =10a(16) =1a(17) =24a(18) =1a(19) =24a(20) =4a(21) =4a(22) =1a(23) =126a(24) =2a(25) =4a(26) =5a(27) =30a(28) =1a(29) =171