Iterated procedure 'composite k added to sum of its prime factors reaches a prime' yields 3 skipped primes.

A050770

Iterated procedure 'composite k added to sum of its prime factors reaches a prime' yields 3 skipped primes.

Terms

    a(0) =26a(1) =33a(2) =35a(3) =55a(4) =208a(5) =297a(6) =300a(7) =351a(8) =352a(9) =420a(10) =432a(11) =441a(12) =486a(13) =660a(14) =735a(15) =910a(16) =1000a(17) =1140a(18) =1225a(19) =1452a(20) =1584a(21) =1715a(22) =1938a(23) =2016a(24) =2250a(25) =2548a(26) =2816a(27) =3003a(28) =3724a(29) =4056

External references