188956800000domain: NAppears in sequencesa(n) = (8*n + 4)^5.at n=22A017117a(n) = (9*n)^5.at n=20A017165a(n) = (11*n + 4)^5.at n=16A017441a(n) = (12*n)^5.at n=15A017525a(n)=Product{k=0..n, 1+2^A101650(k)}/2.at n=25A101657