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 A034034 #9 Jul 08 2025 20:03:38 %S A034034 0,1,2,3,4,6,8,11,12,16,17,19,22,24,25,32,33,34,36,38,41,43,44,48,49, %T A034034 50,51,57,59,64,66,67,68,72,73,75,76,82,83,86,88,89,96,97,98,100,102, %U A034034 107,108,113,114,118,123,128,129,131 %N A034034 Numbers that are primitively or imprimitively represented by x^2+2y^2, but not both. %Y A034034 Cf. A002479, A097700, A057127, A034030-A034033. %K A034034 nonn %O A034034 1,3 %A A034034 _N. J. A. Sloane_ %E A034034 Corrected by _N. J. A. Sloane_, Apr 30 2015