47706domain: NAppears in sequencesSmallest integer not the sum of nonzero powers of previous terms.at n=13A122863A sequence set up on the first 1000 base ten Pi digits: a(n)=a(n-1)+a(n-2)*Floor[Mod[N[Pi*10^(n - 2), 1000], 10]].at n=13A152158