Dirichlet g.f.: Product_{k>=2} 1 / (1 - k^(-s))^(5^(k-1)).
A344249
Dirichlet g.f.: Product_{k>=2} 1 / (1 - k^(-s))^(5^(k-1)).
Terms
- a(0) =1a(1) =5a(2) =25a(3) =140a(4) =625a(5) =3250a(6) =15625a(7) =78785a(8) =390950a(9) =1956250a(10) =9765625a(11) =48847250a(12) =244140625a(13) =1220781250a(14) =6103531250a(15) =30517978570a(16) =152587890625a(17) =762941486000
External references
- oeis: A344249