84737187domain: NAppears in sequencesGreedy fractional multiples of 1/e: a(1)=1, Sum_{n>0} frac(a(n)/e) = 1.at n=18A079940Integers in the interval [e*k - 1/k, e*k + 1/k] for some k > 0 , where e = 2.71828... is Euler's number.at n=30A265741