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 A205861 #10 Dec 27 2023 12:40:46 %S A205861 7,27,34,36,40,57,72,74,75,79,83,98,106,110,119,121,125,134,136,138, %T A205861 148,156,175,181,191,195,204,206,207,216,218,219,223,238,246,259,261, %U A205861 262,266,275,282,284,285,289,298,300,304,310,320,336,353,363,369 %N A205861 Positions of multiples of 7 in A204922 (differences of Fibonacci numbers). %C A205861 For a guide to related sequences, see A205840. %e A205861 In A204922 = (1,2,1,4,3,2,7,6,5,3,12,11,...), multiples of 6 are in positions 7,27,34,36,... See the example at A205862. %t A205861 (See the program at A205862.) %Y A205861 Cf. A204890, A204922, A205840, A205862. %K A205861 nonn %O A205861 1,1 %A A205861 _Clark Kimberling_, Feb 02 2012