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 A242940 #22 May 09 2021 02:31:37 %S A242940 1,2,3,6,7,8,13,21,22,23,24,25,34,35,36,37,38,39,40,41,55,89,144,233, %T A242940 377,378,379,380,381,382,383,384,610,987,1597 %N A242940 a(n) is the smallest positive integer greater than a(n-1) which is consistent with the condition "n is a term of the sequence if and only if a(n) is a Fibonacci number". %e A242940 a(4) cannot be 5 because that would require 4 to be a term of this sequence. %Y A242940 Cf. A079000, A079253, A079254, A079258, A079256, A079257. %K A242940 nonn,more %O A242940 1,2 %A A242940 _J. Lowell_, Jun 12 2014