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 A205449 #5 Mar 30 2012 18:58:11 %S A205449 1,1,5,4,3,5,2,13,5,4,11,23,6,20,57,31,10,5,37,4,25,17,20,23,78,8,7, %T A205449 31,22,82,106,94,57,10,46,61,45,37,107,34,14,25,65,106,82,20,9,61,38, %U A205449 89,173,8,91,7,41,31,173,22,407,467 %N A205449 Least h such that n divides the h-th difference between distinct even-indexed Fibonacci numbers; the differences are ordered as in A205448. %C A205449 For a guide to related sequences, see A204892. %t A205449 (See the program at A205450.) %Y A205449 Cf. A205450, A204892. %K A205449 nonn %O A205449 1,3 %A A205449 _Clark Kimberling_, Jan 27 2012