1146228736domain: NAppears in sequencesa(n) = (7*n + 2)^4.at n=26A017008a(n) = (8*n)^4.at n=23A017068a(n) = (9*n + 4)^4.at n=20A017212a(n) = (10*n + 4)^4.at n=18A017320a(n) = (11*n + 8)^4.at n=16A017488a(n) = (12*n + 4)^4.at n=15A017572