List of primes generated by factoring successive primary pseudoperfect numbers (A054377).

Terms

a(0) =2a(1) =2a(2) =3a(3) =2a(4) =3a(5) =7a(6) =2a(7) =3a(8) =7a(9) =43a(10) =2a(11) =3a(12) =11a(13) =23a(14) =31a(15) =2a(16) =3a(17) =11a(18) =23a(19) =31a(20) =47059a(21) =2a(22) =3a(23) =11a(24) =17a(25) =101a(26) =149a(27) =3109a(28) =2a(29) =3