10609137domain: NAppears in sequencesa(n) = 6^n + n^6.at n=9A001594Triangle read by rows: T(n,r) = n^r + r^n (1 <= r <= n).at n=41A093898a(n) = n^(n+3) + (n+3)^n.at n=6A155539a(n) = n^9 + 9^n.at n=6A185277