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 A364503 #11 Sep 03 2023 11:17:39 %S A364503 0,2,1,3,2,2,3,4,5,3,7,3,4,4,6,5,5,6,4,7,6,3,10,4,16,18,16,32,32,32, %T A364503 32,32,36,32,36,32,33,36,32,33,32,32,32,35,33,34,34,36,35,33,33,32,36, %U A364503 32,33,32,36,34,34,37,37,34 %N A364503 Sprague-Grundy values for Heat-Charge Toggle on paths from A364489 where paths with an even number of vertices are odious, or paths with an odd number of vertices are evil. %C A364503 See A364489 for the rules of Heat-Charge Toggle. %D A364503 E. R. Berlekamp, J. H. Conway, and R. K. Guy, Winning Ways for Your Mathematical Plays, Vol. 1, CRC Press, 2001. %H A364503 Nathan Hurtig, <a href="/A364503/a364503.cpp.txt">C++ program to compute values</a> %e A364503 a(2) = 2, which is odious. So the second term of A364489 is an even number. %Y A364503 Cf. A000069, A001969, A363934. Sprague-Grundy values of A364489. %K A364503 nonn,more %O A364503 1,2 %A A364503 _Jean-Pierre Appel_, _Patrick G. Cesarz_, _Djeneba Diop_, _Eugene Fiorini_, _Nathan Hurtig_, _Andrew Woldar_, Jul 26 2023