a(n) = (3^(prime(n)-1) - 2^(prime(n)-1))/prime(n).

A320282

a(n) = (3^(prime(n)-1) - 2^(prime(n)-1))/prime(n).

Terms

    a(0) =13a(1) =95a(2) =5275a(3) =40565a(4) =2528305a(5) =20376755a(6) =1364211535a(7) =788845655845

External references