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 A179241 #6 Jul 19 2015 02:09:16 %S A179241 1,1,1,2,2,3,4,5,6,8,10,12,15,19,24,29,36,45,56,69,85,105,130,161,200, %T A179241 247,305,377,466,577,713,881,1089,1347,1665,2058,2544,3144,3887,4805, %U A179241 5939,7341,9074,11216,13864,17137,21183,26183,32364,40005,49449,61122 %N A179241 Powers of sqrt(5) - 1 rounded down. %F A179241 a(n) = floor((sqrt(5)-1)^n). %t A179241 Array[Floor[(Sqrt@5 - 1)^# ] &, 51] (* _Robert G. Wilson v_, Jul 12 2010 *) %K A179241 nonn,easy %O A179241 1,4 %A A179241 Roland Schroeder (florola(AT)gmx.de), Jul 05 2010 %E A179241 More terms from _Vincenzo Librandi_ and _Robert G. Wilson v_, Jul 09 2010