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 A205851 #8 Mar 30 2012 18:58:12 %S A205851 9,13,15,16,32,44,53,55,58,60,61,68,82,87,93,104,107,118,120,128,130, %T A205851 131,137,143,157,162,167,172,178,189,191,197,208,210,212,223,225,226, %U A205851 234,236,237,243,257,262,267,272,279,281,282,288,299,303,305,306 %N A205851 Positions of multiples of 5 in A204922 (differences of Fibonacci numbers). %C A205851 For a guide to related sequences, see A205840. %e A205851 In A204922=(1,2,1,4,3,2,7,6,5,3,12,11,...), multiples %e A205851 of 5 are in positions 9,13,15,16,32,... See the example %e A205851 at A205852. %t A205851 (See the program at A205852.) %Y A205851 Cf. A204890, A205852, A205840. %K A205851 nonn %O A205851 1,1 %A A205851 _Clark Kimberling_, Feb 02 2012