Prime factor addition sequence: For the term n, add all the prime factors of n to n. If n is a prime then add n to it. Start with n = 3
3, 6, 11, 22, 35, 47, 94, 143, 167, 334, 503, 1006, 1511, 3022, 4535, 5447, 5879
1 seqfan posts
Mon Jul 18 18:58:50 CEST 2011 [seqfan] Slowest possible pace at which iterated n + sopfr(n) can reach a given milestone?