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 A247441 #9 Jul 23 2025 11:35:18 %S A247441 342,342,171,171,171,57,114,171,342,57,114,342,342,342,171,171,38,20, %T A247441 19 %N A247441 Base-n state complexity of partitioned deterministic finite automaton (PDFA) for the periodic sequence (123...19)*. %H A247441 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 A247441 Cf. A176059, A217515 - A217518, A247387, A247390, A247391. %K A247441 nonn,more %O A247441 2,1 %A A247441 _Vincenzo Librandi_, Sep 20 2014