Number of multisets associated with least integer of each prime signature.

Terms

a(0) =1a(1) =1a(2) =2a(3) =1a(4) =3a(5) =6a(6) =1a(7) =4a(8) =12a(9) =6a(10) =12a(11) =1a(12) =5a(13) =20a(14) =20a(15) =30a(16) =30a(17) =20a(18) =1a(19) =6a(20) =30a(21) =30a(22) =15a(23) =60a(24) =120a(25) =20a(26) =60a(27) =90a(28) =30a(29) =1