10077184domain: NAppears in sequencesDifference of two positive 9th powers.at n=14A181128a(n) = 6^n - 2^n.at n=9A248216a(n) = Sum_{d|n, n/d==1 mod 4} d^9 - Sum_{d|n, n/d==3 mod 4} d^9.at n=5A321833