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 A352561 #7 Mar 21 2022 11:23:54 %S A352561 1,0,1,1,0,0,2,0,2,0,0,1,2,0,0,2,0,0,2,0,2,0,0,0,1,0,3,2,0,0,2,0,0,0, %T A352561 0,2,2,0,2,0,0,0,2,0,0,0,0,2,5,0,0,2,0,0,0,0,2,0,0,0,2,0,4,3,0,0,2,0, %U A352561 0,0,0,0,2,0,1,2,0,0,2,0,5,0,0,2,0,0,0,0,0,0,4,0,2,0 %N A352561 a(n) = number of modules with n elements over the ring of integers in the imaginary quadratic field of discriminant -3. %C A352561 See A352550 for comments and PARI code. %C A352561 Appears to be the same sequence as A248107. %Y A352561 Cf. A038540, A038541, A248107, A352550-A352567. %K A352561 nonn %O A352561 1,7 %A A352561 _N. J. A. Sloane_, Mar 21 2022