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 A114401 #4 Nov 19 2023 12:02:20 %S A114401 0,0,0,0,0,4,0,8,0,8,16,0,16,32,0,16,32,64,0,32,64,128,0,32,64,128, %T A114401 256,0,64,128,256,512,702,0,64,128,256,512,1024,1404,0,128,256,512, %U A114401 1024,2048,2468,2808,0,128,256,512,1024,2048,4096,4936,5616,0,256,512 %N A114401 a(n) = A114398(n)-A114400(n). %Y A114401 A114402 gives the same sequence divided by 2. %Y A114401 Cf. A114398, A114400. %K A114401 nonn %O A114401 0,6 %A A114401 _Antti Karttunen_, Feb 07 2006