a(0)=1; a(n) = (Product_{i=1..n} prime(i)^2) - 1, where prime(i) is the i-th prime.
A135516
a(0)=1; a(n) = (Product_{i=1..n} prime(i)^2) - 1, where prime(i) is the i-th prime.
Terms
- a(0) =1a(1) =3a(2) =35a(3) =899a(4) =44099a(5) =5336099a(6) =901800899a(7) =260620460099
External references
- oeis: A135516