-18954

Appears in sequences

• a(n) = 9^n - n^9.at n=3A024110
• Table T(n,k) = k^n - n^k, n, k > 0, read by descending antidiagonals.at n=57A220417
• Expansion of eta(q)^9 * eta(q^5)^3 in powers of q.at n=36A227900