The 23-step cycle reached for any initial value k less than 100000, after iterations of sopf(8x+1), where sopf(n) denote the sum of the prime factors of n (sopf(12) = 2+2+3 = 7).
A071712
The 23-step cycle reached for any initial value k less than 100000, after iterations of sopf(8x+1), where sopf(n) denote the sum of the prime factors of n (sopf(12) = 2+2+3 = 7).
Terms
- a(0) =66a(1) =46a(2) =47a(3) =42a(4) =337a(5) =63a(6) =106a(7) =286a(8) =119a(9) =953a(10) =76a(11) =39a(12) =313a(13) =175a(14) =470a(15) =3761a(16) =30089a(17) =367a(18) =103a(19) =24a(20) =193a(21) =111a(22) =134
External references
- oeis: A071712