2058346161domain: NAppears in sequencesa(n) = (9*n + 6)^4.at n=23A017236a(n) = (10*n + 3)^4.at n=21A017308a(n) = (11*n + 4)^4.at n=19A017440a(n) = (12*n + 9)^4.at n=17A017632