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 A101283 #11 Apr 19 2022 17:30:53 %S A101283 1,2,4,3,8,7,5,16,6,15,13,32,9,14,10,31,12,29,11,64,25,30,26,17,63,28, %T A101283 18,61,20,27,128,19,24,57,23,62,21,58,49,22,127,60,50,33,125,52,59, %U A101283 256,34,51,56,36,121,55,126,35,40,53,39,122,113,37,48,54,255,47,38,124,45 %N A101283 Inverse permutation to sequence A101267. %H A101283 Rémy Sigrist, <a href="/A101283/b101283.txt">Table of n, a(n) for n = 1..10000</a> %H A101283 Rémy Sigrist, <a href="/A101283/a101283.gp.txt">PARI program</a> %o A101283 (PARI) See Links section. %Y A101283 Cf. A101267. %K A101283 easy,nonn %O A101283 1,2 %A A101283 _Leroy Quet_, Dec 20 2004 %E A101283 More terms from _David Wasserman_, Mar 11 2008