Iterated procedure 'composite k added to sum of its prime factors reaches a prime' yields 6 skipped primes.

A050773

Iterated procedure 'composite k added to sum of its prime factors reaches a prime' yields 6 skipped primes.

Terms

    a(0) =4a(1) =22a(2) =54a(3) =93a(4) =111a(5) =145a(6) =155a(7) =185a(8) =221a(9) =231a(10) =377a(11) =450a(12) =667a(13) =688a(14) =992a(15) =1122a(16) =1161a(17) =1428a(18) =1638a(19) =1995a(20) =2144a(21) =2220a(22) =2624a(23) =2820a(24) =2838a(25) =3627a(26) =3774a(27) =3876a(28) =4225a(29) =4761

External references