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 A214896 #9 Jul 17 2015 00:24:27 %S A214896 382,127,509,318,827,229,528,757,257,507,382,127 %N A214896 Conway's subprime Fibonacci sequence starting with (382, 127). %C A214896 Similar to the Fibonacci recursion starting with (382, 127), but each new nonprime term is divided by its least prime factor. Sequence enters a loop of length 10 after 2 terms on reaching (382, 127). %H A214896 Richard K. Guy, Tanya Khovanova and Julian Salazar, <a href="http://arxiv.org/abs/1207.5099">Conway's subprime Fibonacci sequences</a>, arXiv:1207.5099v1 [math.NT] %t A214896 see A214674 %Y A214896 Cf. A000045, A020639, A175723, A214551, A014682, A214674, A214892-A214898. %K A214896 nonn %O A214896 1,1 %A A214896 _Wouter Meeussen_, Jul 29 2012