10077695domain: NAppears in sequencesa(n) = 6^n - 1.at n=9A024062Gaps of 3 in sequence A038593 (lower terms).at n=25A038645Partial sums of A164532.at n=17A164560Difference of two positive 9th powers.at n=15A181128Numbers of the form i*6^j-1 (i=1..5, j >= 0).at n=45A181288a(n) = n^9 - 1.at n=5A258810a(n) = 6^n+(-1)^n.at n=9A274074