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 A205841 #8 Mar 30 2012 18:58:12 %S A205841 5,8,10,11,18,22,27,29,34,36,38,40,41,48,52,57,59,60,65,68,70,71,76, %T A205841 78,79,84,86,87,94,98,102,106,111,113,114,119,121,126,128,129,134,136, %U A205841 138,140,141,146,148,149,156,160,164,168,173,175,176,181,183,184 %N A205841 Positions of multiples of 3 in A204922 (differences of Fibonacci numbers). %C A205841 For a guide to related sequences, see A205840. %e A205841 In A204922=(1,2,1,4,3,2,7,6,5,3,12,11,...), multiples of 3 are in positions 5,8,10,11,18,... See the example at A205842. %t A205841 (See the program at A205842.) %Y A205841 Cf. A204890, A205842, A205840. %K A205841 nonn %O A205841 1,1 %A A205841 _Clark Kimberling_, Feb 01 2012