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 A187341 #7 Mar 30 2012 18:57:19
%S A187341 2,5,8,11,13,16,19,22,24,27,30,33,35,38,41,44,46,49,52,55,58,60,63,66,
%T A187341 69,71,74,77,80,82,85,88,91,93,96,99,102,105,107,110,113,116,118,121,
%U A187341 124,127,129,132,135,138,140,143,146,149,152,154,157,160,163,165,168
%N A187341 Floor((5-sqrt(5))n); complement of A187342.
%C A187341 A187341 and A187342 are a pair of Beatty sequences.
%F A187341 a(n)=floor((5-sqrt(5))n).
%t A187341 Table[Floor[(5-5^(1/2))n], {n,1,80}]
%Y A187341 Cf. A187342.
%K A187341 nonn
%O A187341 1,1
%A A187341 _Clark Kimberling_, Mar 08 2011