71795domain: NAppears in sequencesG.f. A(x) satisfies both A(-x)*A(x) = A(x^2) and xA(x)^2 = B(xA(x^2)) where B(x) = x*(1+x)/(1-x).at n=26A091188Numbers that are the sum of five fourth powers in four or more ways.at n=27A344354Numbers that are the sum of five fourth powers in exactly four ways.at n=25A344355