a(n) = Sum_{i=1..n} (A143293(n) mod prime(i))*A002110(i-1), where A002110 are the primorial numbers, and A143293 give their partial sums.
A392863
a(n) = Sum_{i=1..n} (A143293(n) mod prime(i))*A002110(i-1), where A002110 are the primorial numbers, and A143293 give their partial sums.
Terms
- a(0) =0a(1) =1a(2) =1a(3) =25a(4) =145a(5) =1615a(6) =27025a(7) =27025a(8) =1558555a(9) =147053905a(10) =1485611125a(11) =72652236655
External references
- oeis: A392863