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 A005757 M4938 #16 Jul 08 2025 16:35:22 %S A005757 1,14,102,561,2563,10285,37349,125290,393635,1170297,3317941,9025118, %T A005757 23667102,60070724,148055380,355322825,832286510,1906535024, %U A005757 4278519421,9420605029,20378915733,43362534963,90852676817,187612056437 %N A005757 Coefficients of modular function g_4(tau). %D A005757 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). %H A005757 A. O. L. Atkin, <a href="https://doi.org/10.1017/S0017089500000045">Proof of a conjecture of Ramanujan</a>, Glasgow Math. J., 8 (1967), 14-32. %F A005757 a(n) = A003296(n)^2 - A003297(n). %Y A005757 Cf. A003296, A003297. %K A005757 nonn %O A005757 3,2 %A A005757 _N. J. A. Sloane_ %E A005757 More terms from Kok Seng Chua (chuaks(AT)ihpc.nus.edu.sg), Jun 14 2000