193359375domain: NAppears in sequencesExpansion of 1/(1-5*x)^5.at n=8A036071Smallest natural number k such that periodic part of 1/k is n, or 0 if no such k exists.at n=17A037207a(n) is the unique n-digit number with all digits odd that is divisible by 5^n.at n=8A151752