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 A380112 #9 Jan 17 2025 09:12:13 %S A380112 1,2,4,8,16,32,9,18,64,128,39,75,156,256,76,137,269,407,512,180,78, %T A380112 606,432,1024,63,771,1037,604,789,1144,2048,31,564,1661,772,2176,1286, %U A380112 2044,3105,1638,377,2606,4096,662,1857,4124,536,1463,4188,2242,6453,5302 %N A380112 Lexicographically earliest infinite sequence of positive integers whose XOR difference triangle contains only distinct values. %C A380112 By necessity, all terms are distinct. %C A380112 This sequence is an infinite variant of A378141. %H A380112 Rémy Sigrist, <a href="/A380112/a380112.gp.txt">PARI program</a> %o A380112 (PARI) \\ See Links section. %Y A380112 Cf. A099884, A346298, A338047, A378141, A380148 (XOR difference triangle). %K A380112 nonn,base %O A380112 1,2 %A A380112 _Rémy Sigrist_, Jan 12 2025