282695domain: NAppears in sequencesa(n) = [ e*a(n-1) ], where a(0) = 1.at n=13A024576a(n+1) is the least k such that 1/(a(n)+1) + 1/(a(n)+2) + ... + 1/k > 1, with a(1) = 1.at n=12A180224