864866612224domain: NAppears in sequencesa(n) = (11*n + 2)^5.at n=22A017417a(n) = (12n+4)^5.at n=20A017573E.g.f: Sum_{n>=0} 3^(n^2) * exp(3^n*x) * x^n/n!.at n=5A202989