139625domain: NAppears in sequencesAssociated Mersenne numbers.at n=31A001351a(n) = T(n,0) + T(n,1) + ... + T(n,2n), T given by A027113.at n=11A027115Least k such that f(k) < 0, where f(1) = n and f(k) = f(k-1)*e^(1/k) - 1 for k > 1.at n=17A333342