263552domain: NAppears in sequencesDifference of two positive 7th powers.at n=12A181126Monotonic ordering of nonnegative differences 6^i-4^j, for 40>= i>=0, j>=0.at n=33A192164a(n) = 6^n - 4^n.at n=7A248337Numbers which are the sum or difference of two seventh powers.at n=32A364654