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 A352558 #5 Mar 21 2022 11:12:22 %S A352558 1,0,0,1,2,0,2,0,1,0,0,0,2,0,0,2,0,0,0,2,0,0,2,0,5,0,0,2,1,0,0,0,0,0, %T A352558 4,1,0,0,0,0,0,0,0,0,2,0,0,0,5,0,0,2,2,0,0,0,0,0,2,0,0,0,2,3,4,0,2,0, %U A352558 0,0,2,0,0,0,0,0,0,0,0,4,2,0,2,0,0,0,0,0,0,0,4,2,0,0,0,0,0,0,0,5,0,0,2,0,0,0,2,0,2,0,0,4,0,0,4,1,2 %N A352558 a(n) = number of modules with n elements over the ring of integers in the real quadratic field of discriminant 29. %C A352558 See A352550 for comments and PARI code. %Y A352558 Cf. A038540, A038541, A248107, A352550-A352567. %K A352558 nonn %O A352558 1,5 %A A352558 _N. J. A. Sloane_, Mar 20 2022