a(n) = prime(n)# + prime(n), where prime(n)# is the n-th primorial number A002110(n).
A352002
a(n) = prime(n)# + prime(n), where prime(n)# is the n-th primorial number A002110(n).
Terms
- a(0) =4a(1) =9a(2) =35a(3) =217a(4) =2321a(5) =30043a(6) =510527a(7) =9699709a(8) =223092893a(9) =6469693259a(10) =200560490161
External references
- oeis: A352002