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 A247567 #6 Sep 20 2014 07:32:37 %S A247567 3,4,9,5,7,14,23,16,11,110,19,156,29,16,55,272,25,171,27 %N A247567 Base-6 state complexity of partitioned deterministic finite automaton (PDFA) for the periodic sequence (123...n)*. %H A247567 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 A247567 Cf. similar sequences listed in A247566. %K A247567 nonn,more %O A247567 2,1 %A A247567 _Vincenzo Librandi_, Sep 20 2014