a(n) = p(1)*p(2)*...*p(n) - p(n+1)^2, where p(i) = i-th prime.

A064819

a(n) = p(1)*p(2)*...*p(n) - p(n+1)^2, where p(i) = i-th prime.

Terms

    a(0) =-7a(1) =-19a(2) =-19a(3) =89a(4) =2141a(5) =29741a(6) =510149a(7) =9699161a(8) =223092029a(9) =6469692269a(10) =200560488761

External references