Iterated procedure 'composite k added to sum of its prime factors reaches a prime' yields 7 skipped primes.

A050774

Iterated procedure 'composite k added to sum of its prime factors reaches a prime' yields 7 skipped primes.

Terms

    a(0) =39a(1) =40a(2) =58a(3) =78a(4) =205a(5) =272a(6) =330a(7) =341a(8) =357a(9) =437a(10) =475a(11) =476a(12) =520a(13) =533a(14) =551a(15) =616a(16) =738a(17) =833a(18) =1105a(19) =1184a(20) =1274a(21) =1984a(22) =2262a(23) =2312a(24) =2652a(25) =2964a(26) =3008a(27) =3010a(28) =3198a(29) =3444

External references