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 A373700 #26 Jun 16 2024 05:04:52 %S A373700 1,2,3,4,6,6,10,10,13,12,16,16,20,20,22,22,24,24,28,28,32,32,36,36,40, %T A373700 40,43,42,45,44,47,46,49,48,52,52,56,56,60,60,64,64,68,68,72,72,76,76, %U A373700 80,80,82,82,84,84,86,86,88,88,90,90,92,92,94,94,96,96,100 %N A373700 Number of distinct length-n blocks in the Thue-Morse sequence (A010060), counted up to reversal. %C A373700 By "counted up to reversal" we mean two blocks, one of which is the reversal of the other, are only counted as one. %H A373700 Jean-Paul Allouche, John M. Campbell, Jeffrey Shallit, and Manon Stipulanti, <a href="https://arxiv.org/abs/2406.09302">The reflection complexity of sequences over finite alphabets</a>, Arxiv preprint arXiv:2406:09302 [math.CO], June 13 2024. %e A373700 For n = 5, the 6 blocks are 01101, 01001, 00110, 00101, 01011, 11001, and their reversals. %Y A373700 Cf. A010060, A005942 (all blocks), A159782 (palindromes). %K A373700 nonn,easy %O A373700 0,2 %A A373700 _Jeffrey Shallit_, Jun 14 2024