a(n) is the index of the n-th compositorial number, A036691(n), in the sequence of composites (A002808).
A065899
a(n) is the index of the n-th compositorial number, A036691(n), in the sequence of composites (A002808).
Terms
- a(0) =1a(1) =14a(2) =148a(3) =1458a(4) =15293a(5) =188782a(6) =2692726a(7) =40909988a(8) =660637057a(9) =11976280879a(10) =240871231369
External references
- oeis: A065899