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 A101352 #8 Jan 21 2019 19:01:55 %S A101352 0,2,6,15,33,69,140,280,556,1101,2179,4315,8554,16978,33738,67115, %T A101352 133637,266305,531032,1059500,2114840,4222937,8434951,16852215, %U A101352 33675798,67305254,134535510,268949655,537702921,1075088061,2149661924 %N A101352 Partial sums of A101351. %H A101352 <a href="/index/Rec#order_05">Index entries for linear recurrences with constant coefficients</a>, signature (5,-8,3,3,-2) %F A101352 Fib(n+2) + 2^(n+1) - n - 3. - _Ralf Stephan_, May 16 2007 %F A101352 G.f.:x*(x^2-4*x+2)/((2*x-1)*(x^2+x-1)*(x-1)^2) [From Maksym Voznyy (voznyy(AT)mail.ru), Aug 14 2009] %K A101352 nonn,easy %O A101352 0,2 %A A101352 _Jorge Coveiro_, Dec 25 2004