a(n) = (-1) * j((1 + sqrt(-A003173(n+2)))/2).

A305500

a(n) = (-1) * j((1 + sqrt(-A003173(n+2)))/2).

Terms

    a(0) =0a(1) =3375a(2) =32768a(3) =884736a(4) =884736000a(5) =147197952000

External references