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 A065023 #22 Aug 08 2023 15:51:57 %S A065023 2,4,10,21,51,89,203,370,715,1197,2418,3813,7175,11379,19026,29809, %T A065023 51618,75378,125951,185025,285449 %N A065023 Number of states in minimal automaton that recognizes biquanimous numbers in base n. %C A065023 A biquanimous number (A064544) is a number whose digits can be split into two groups with equal sums. %D A065023 Jeffrey Shallit, A Second Course in Formal Languages and Automata Theory, Cambridge, 2008; see Exercise 3.55. %D A065023 William P. Thurston, personal communication. %H A065023 Jingzhe Tang, <a href="https://ideone.com/zyzaFQ">C++ code calculating terms</a> %Y A065023 Cf. A064544, A065024, A065025. %K A065023 nonn,base,more %O A065023 2,1 %A A065023 _N. J. A. Sloane_, Nov 03 2001 %E A065023 a(11)-a(16) from _Jingzhe Tang_, Mar 21 2018 %E A065023 a(17)-a(22) from _Sean A. Irvine_, Aug 08 2023