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 A182642 #6 Mar 30 2012 18:57:12 %S A182642 2,4,11,17,46,76,199,321,842,1364,3571,5777,15126,24476,64079,103681, %T A182642 271442,439204,1149851,1860497,4870846,7881196,20633239,33385282, %U A182642 87403803,141422324,370248451,599074578 %N A182642 Subsequence of A014217 (n=2,3,5,6,8,9,11,12,...). %F A182642 a(n)=floor(r^m(n)), where r=(1+sqrt(5))/2 and m(n) %F A182642 runs through the integers 3k+2 and 3k+3 for k>=0. %e A182642 a(1)=floor(r^2)=2, a(2)=floor(r^3)=4, a(3)=floor(r^5)=11. %Y A182642 Cf. A014217, A182643. %K A182642 nonn %O A182642 1,1 %A A182642 _Clark Kimberling_, Nov 24 2010