91289domain: NAppears in sequencesPisot sequence L(8,9).at n=31A048590Positions at which the sum of the digits of e up to that point equals the sum of the digits of Pi up to that point.at n=27A131660Coefficient of x^n in the expansion of ( (1+x+x^2)^3 / (1+x) )^n.at n=7A372369