916636176domain: NAppears in sequencesa(n) = (7*n + 6)^4.at n=24A017056a(n) = (9*n+3)^4.at n=19A017200a(n) = (10*n + 4)^4.at n=17A017320a(n) = (11*n + 9)^4.at n=15A017500a(n) = (12*n + 6)^4.at n=14A017596