Consider the array T(r,c), the number of c-almost primes less than or equal to r^c. This is the diagonal T(r,r-1).
A116434
Consider the array T(r,c), the number of c-almost primes less than or equal to r^c. This is the diagonal T(r,r-1).
Terms
- a(0) =0a(1) =1a(2) =3a(3) =13a(4) =90a(5) =726a(6) =7089a(7) =78369a(8) =973404a(9) =13377156a(10) =201443165a(11) =3297443264a(12) =58304208767
External references
- oeis: A116434