This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A348625 #12 Apr 21 2025 03:30:58 %S A348625 1,0,0,1,0,1,1,4,7,47,186,1809,27883 %N A348625 Number of Egyptian fractions with squared denominators: number of solutions to the equation 1 = 1/x_1^2 + ... + 1/x_n^2 with 0 < x_1 <= ... <= x_n. %C A348625 All denominators are bounded by A348626(n), i.e., 0 < x_1 <= ... <= x_n < A348626(n). Furthermore, for a fixed n, x_i <= sqrt(n+1-i)*(A348626(i)-1). %Y A348625 Cf. A002966, A348626. %K A348625 nonn,hard,more %O A348625 1,8 %A A348625 _Max Alekseyev_, Oct 25 2021