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 A034044 #9 Jul 08 2025 20:04:51 %S A034044 1,2,3,5,6,10,11,13,14,17,19,21,22,26,29,30,33,34,35,37,38,41,42,43, %T A034044 46,51,53,57,58,59,61,62,65,66,67,69,70,73,74,77,78,82,83,85,86,89,91, %U A034044 93,94,97,101,102,105,106,107,109,110,113,114,115,118,122,123 %N A034044 Numbers that are primitively but not imprimitively represented by x^2+y^2+z^2. %F A034044 Union of A034043 and A034044 is A000378. Union of A034044 and A034045 is A034047. Numbers that are in A000378 and squarefree. - _Ray Chandler_, Sep 05 2004 %Y A034044 Cf. A000378, A004215, A047449, A034043-A034047. %K A034044 nonn %O A034044 1,2 %A A034044 _N. J. A. Sloane_