a(1)=p_1, a(2)=p_1 + p_1*p_2, a(3)=p_1 + p_1*p_2 + p_1*p_2*p_3, ... where p_i is the i-th prime.
A060389
a(1)=p_1, a(2)=p_1 + p_1*p_2, a(3)=p_1 + p_1*p_2 + p_1*p_2*p_3, ... where p_i is the i-th prime.
Terms
- a(0) =2a(1) =8a(2) =38a(3) =248a(4) =2558a(5) =32588a(6) =543098a(7) =10242788a(8) =233335658a(9) =6703028888a(10) =207263519018
External references
- oeis: A060389