389402domain: NAppears in sequencesNumbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 48.at n=25A031726a(n) = 676*n^2 + 26.at n=24A158643Expansion of (1/x) * Series_Reversion( x*(1+x+x^3)/(1+x)^5 ).at n=7A366119