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 A194864 #7 Jul 30 2023 03:40:54 %S A194864 1,2,3,4,5,6,10,7,8,9,14,11,15,12,13,19,16,20,17,21,18,25,22,26,23,27, %T A194864 24,28,32,36,29,33,30,34,31,35,40,44,37,41,45,38,42,39,43,49,53,46,50, %U A194864 54,47,51,55,48,52,66,59,63,56,60,64,57,61,65,58,62,77,70,74 %N A194864 Inverse permutation of A194866; every positive integer occurs exactly once. %t A194864 (See A194865.) %Y A194864 Cf. A194832, A194865, A194866. %K A194864 nonn %O A194864 1,2 %A A194864 _Clark Kimberling_, Sep 04 2011 %E A194864 Definition corrected by _Georg Fischer_, Jul 30 2023