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 A182643 #8 Jul 12 2012 00:39:52 %S A182643 0,1,4,6,18,31,82,132,348,565,1480,2394,6270,10147,26566,42984,112536, %T A182643 182089,476716,771342,2019402,3267463,8554330,13841196,36236725, %U A182643 58632253,153501232,248370211,650241655 %N A182643 A182642(n) - A107857(n-1) for n>=1. %C A182643 A182643(n) = distance from A107857(n-1) to A182642(n), where A182642(n) is the result of removing all but the outermost floor function in the formula for A107857 - so that n-1 floors are removed and the n-th remains. %e A182643 a(3)=floor(s*r*s)-floor(s*floor(r*floor(s))), where %e A182643 r=(1+sqrt(5))/2 and s=r+1. %Y A182643 Cf. A107857,A182642. %K A182643 nonn %O A182643 1,3 %A A182643 _Clark Kimberling_, Nov 24 2010