56953279domain: NAppears in sequencesa(n) = 10^n - 9^n.at n=8A016189Nexus numbers (n+1)^8 - n^8.at n=9A022524a(n) = (n+2)^n - (n+1)^n.at n=8A213326Triangle read by rows: T(n, k) is the number of parking functions of length n with preferences restricted to {1, ..., k} for 0 <= k <= n.at n=53A373086