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 A287036 #8 May 20 2017 21:54:50 %S A287036 13,2835,281792,19443460,1103826822,56255485594,2706219574700, %T A287036 126736375104144,5893207936217567,275625849530635937, %U A287036 13077128859847095120,632973909637081784520,31373163306972014925324,1596165353981611633618164,83483538804312370741567896 %N A287036 Column 6 of A286782. %H A287036 Gheorghe Coserea, <a href="/A287036/b287036.txt">Table of n, a(n) for n = 7..216</a> %F A287036 a(n) = (2*n-1)*A286791(n-1). %Y A287036 Cf. A286782. %K A287036 nonn %O A287036 7,1 %A A287036 _Gheorghe Coserea_, May 18 2017