Number of partitions of n in its prime divisors with at least one part of size 1.

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =1a(5) =5a(6) =1a(7) =4a(8) =3a(9) =8a(10) =1a(11) =16a(12) =1a(13) =11a(14) =11a(15) =8a(16) =1a(17) =33a(18) =1a(19) =26a(20) =15a(21) =17a(22) =1a(23) =56a(24) =5a(25) =20a(26) =9a(27) =36a(28) =1a(29) =226