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 A034041 #7 Jul 08 2025 20:04:30 %S A034041 4,8,32,44,56,64,88,92,112,128,148,172,176,184,212,232,242,256,284, %T A034041 296,308,316,344,352,368,424,428,436,448,464,484,508,529,536,548,568, %U A034041 592,596,604,616,632,644,652,688,704,736,772,788,812,841,844 %N A034041 Both primitively and imprimitively represented by (x^2+xy+2y^2, x>=0, y>=0). %Y A034041 Cf. A034035-A034042. %K A034041 nonn %O A034041 0,1 %A A034041 _N. J. A. Sloane_ %E A034041 Definition corrected by _N. J. A. Sloane_, Apr 30 2015