41347domain: NAppears in sequencesNumbers k such that the period of the continued fraction for sqrt(k) contains exactly 33 ones.at n=8A031801Satisfies a(n)/A079159(n) = p_n, the n-th prime (n>0), a(0)=1.at n=40A079161Composite numbers which contain their sum of aliquot parts as a substring.at n=14A225417