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 A352567 #7 Mar 21 2022 11:28:26 %S A352567 1,0,0,1,2,0,2,0,1,0,2,0,0,0,0,2,2,0,1,2,0,0,2,0,5,0,0,2,0,0,0,0,0,0, %T A352567 4,1,0,0,0,0,0,0,2,2,2,0,2,0,5,0,0,0,0,0,4,0,0,0,0,0,2,0,2,3,0,0,0,2, %U A352567 0,0,0,0,2,0,0,1,4,0,0,4,2,0,2,0,4,0,0,0,0,0,0,2,0,0,2,0,0,0,2,5,2,0,0,0,0,0,0,0,0,0,0,4,0,0,4,0 %N A352567 a(n) = number of modules with n elements over the ring of integers in the imaginary quadratic field of discriminant -19. %C A352567 See A352550 for comments and PARI code. %Y A352567 Cf. A038540, A038541, A248107, A352550-A352566. %K A352567 nonn %O A352567 1,5 %A A352567 _N. J. A. Sloane_, Mar 21 2022