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 A137976 #5 Mar 30 2012 18:51:57 %S A137976 3,13,34,144,377,1597,4181,17711,46368,196418,514229,2178309,5702887, %T A137976 24157817 %N A137976 Fibonacci numbers (A000045) not in A103311. %C A137976 Sequence of last digits: a(2n-1) mod 10 = a(2n) mod 10 = A130893(n). - _Paul Curtz_, May 07 2008 %K A137976 nonn %O A137976 1,1 %A A137976 _Paul Curtz_, May 01 2008 %E A137976 Edited by _N. J. A. Sloane_, May 08 2008