1250000000domain: NAppears in sequencesa(n) = floor(10^10/n).at n=7A057072Numbers m such that the smallest digit in the decimal expansion of 1/m is k = 8, ignoring leading and trailing 0's.at n=14A352161Numbers with 11 odd divisors.at n=25A368950Numbers k such that sum of digits of k equals sum of digits of 1/k.at n=26A386682