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 A246167 #15 Dec 11 2021 04:45:32 %S A246167 1,2,5,21,46,55,66,91,574,1362,1419,1654,3497,4607,5263,6463,430261, %T A246167 545869,554111,567583,574823,589843,8781429,14635735,20490043 %N A246167 Positions where distinct new values of A246271 appear for the first time. %C A246167 As this is the sequence A246280 sorted into ascending order, this is also expected to grow roughly as a(n) ~ 2^(n-1). (In this sequence we use one-based indexing.) Please see comments in A246280. %C A246167 The corresponding new values at A246271(a(n)) are 0, 1, 2, 6, 7, 5, 3, 4, 11, 8, 10, 9, 15, 14, 13, 12, 17, 21, 20, 19, 18, 16, 24, 23, 22, ... (which is a permutation of the nonnegative integers). %o A246167 (Scheme, with _Antti Karttunen_'s IntSeq-library): %o A246167 ;; (This implementation is quite inefficient. Larger terms were grepped from the large b-file computed for A246271 with a PARI program given in that entry) %o A246167 (define A246167 (DISTINCT-POS 1 1 A246271)) %Y A246167 Cf. A003961, A246271, A246280. %K A246167 nonn,more %O A246167 1,2 %A A246167 _Antti Karttunen_, Aug 23 2014