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 A247439 #8 Jul 23 2025 11:35:05 %S A247439 136,272,68,272,272,272,136,136,272,272,272,68,272,136,34,18,17,136, %T A247439 272 %N A247439 Base-n state complexity of partitioned deterministic finite automaton (PDFA) for the periodic sequence (123...17)*. %H A247439 Klaus Sutner and Sam Tetruashvili, <a href="http://www.cs.cmu.edu/~sutner/papers/auto-seq.pdf">Inferring automatic sequences</a> (see table on the p. 5). %Y A247439 Cf. A176059, A217515 - A217518, A247387, A247390, A247391. %K A247439 nonn,more %O A247439 2,1 %A A247439 _Vincenzo Librandi_, Sep 20 2014