a(n+1) = least k with sum of prime factors (with repetition) = a(n)+1 with a(0) = 2.
A075721
a(n+1) = least k with sum of prime factors (with repetition) = a(n)+1 with a(0) = 2.
Terms
- a(0) =2a(1) =3a(2) =4a(3) =5a(4) =8a(5) =14a(6) =26a(7) =92a(8) =356a(9) =1412a(10) =5636a(11) =185559a(12) =556671a(13) =21152738a(14) =42305474a(15) =2919075981a(16) =14595379885a(17) =102167659153
External references
- oeis: A075721