a(n) = a(n-1) + prime(a(n-1)) + 1 for n > 1, with a(1) = 1.
A391616
a(n) = a(n-1) + prime(a(n-1)) + 1 for n > 1, with a(1) = 1.
Terms
- a(0) =1a(1) =4a(2) =12a(3) =50a(4) =280a(5) =2092a(6) =20346a(7) =249306a(8) =3736496a(9) =66865856a(10) =1401245768a(11) =33847580050a(12) =930148157934
External references
- oeis: A391616