Starting with n (but omitting the primes), repeatedly sum prime factors (counted with multiplicity) until reaching a limit.

A029909

Starting with n (but omitting the primes), repeatedly sum prime factors (counted with multiplicity) until reaching a limit.

Terms

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

External references