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 A028660 #7 Jul 08 2025 18:44:50 %S A028660 1,8,24,32,24,48,112,160,232,328,432,608,688,976,1536,1568,1944,2544, %T A028660 2824,3840,3920,4704,5984,5576,7136,7864,9504,8896,10976,10832,13536, %U A028660 13312,16472,15904,21008,16640,24744 %N A028660 Expansion of (theta_3(z)*theta_3(23z)+theta_2(z)*theta_2(23z))^4. %D A028660 Köklüce, Bülent. "Cusp forms in S_6 (Gamma_ 0(23)), S_8 (Gamma_0 (23)) and the number of representations of numbers by some quadratic forms in 12 and 16 variables." The Ramanujan Journal 34.2 (2014): 187-208. See F_k, p. 188. %K A028660 nonn %O A028660 0,2 %A A028660 _N. J. A. Sloane_