154257domain: NAppears in sequencesDenominators of approximations to e.at n=38A006259Greedy frac multiples of e: a(1)=1, Sum_{n>0} frac(a(n)*e)=1.at n=13A079939Denominators of "Farey fraction" approximations to e.at n=40A119015Where A024573 becomes a record.at n=20A182219