Iterated procedure 'composite k added to sum of its prime factors reaches a prime' yields 1 skipped prime.

A050768

Iterated procedure 'composite k added to sum of its prime factors reaches a prime' yields 1 skipped prime.

Terms

    a(0) =6a(1) =20a(2) =48a(3) =112a(4) =320a(5) =1326a(6) =1400a(7) =4165a(8) =4374a(9) =10395a(10) =12852a(11) =15827a(12) =20412a(13) =23232a(14) =24300a(15) =24990a(16) =25000a(17) =27200a(18) =27300a(19) =31407a(20) =33660a(21) =34965a(22) =38480a(23) =41553a(24) =42525a(25) =50688a(26) =53508a(27) =65450a(28) =66000a(29) =68400

External references