a(n) = Product_{k=1..n} prime(2k), where prime(k) is the k-th prime.
A066206
a(n) = Product_{k=1..n} prime(2k), where prime(k) is the k-th prime.
Terms
- a(0) =3a(1) =21a(2) =273a(3) =5187a(4) =150423a(5) =5565651a(6) =239322993a(7) =12684118629a(8) =773731236369
External references
- oeis: A066206