16744448domain: NAppears in sequencesa(n) = 8^n - n^5.at n=8A024093Number of subsets of {1,..,n} containing at least one prime.at n=23A089820Triangular array with n-th row giving coefficients of polynomial Product_{k = 2..n} (k + n*t) for n >= 1.at n=33A260687