1632240801domain: NAppears in sequencesa(n) = (8*n + 1)^4.at n=25A017080a(n) = (10*n + 1)^4.at n=20A017284a(n) = (11*n + 3)^4.at n=18A017428a(n) = (12*n + 9)^4.at n=16A017632