99232domain: NAppears in sequencesNumbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 90.at n=6A031768Continued fraction for 8th Du Bois Reymond constant.at n=1A138732Second term of continued fraction for 2n-th Du Bois Reymond constant.at n=3A138733a(n) = 2025*n^2 + n.at n=6A156856