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 A192736 #10 Aug 10 2017 10:15:22 %S A192736 1,4,12,28,50,84,133,192,270,370,484,624,793,980,1200,1456,1734,2052, %T A192736 2413,2800,3234,3718,4232,4800,5425,6084,6804,7588,8410,9300,10261, %U A192736 11264,12342,13498,14700,15984,17353,18772,20280,21880,23534,25284,27133,29040 %N A192736 Right edge of the triangle in A033291. %C A192736 a(n) = A007980(n-1) * n. %H A192736 <a href="/index/Rec#order_08">Index entries for linear recurrences with constant coefficients</a>, signature (2,-1,2,-4,2,-1,2,-1). %F A192736 G.f.: x*(2*x^5+2*x^4+6*x^3+5*x^2+2*x+1) / ((x-1)^4*(x^2+x+1)^2). - _Colin Barker_, Mar 31 2013 %o A192736 (Haskell) See A033291. %Y A192736 Cf. A192735. %K A192736 nonn %O A192736 1,2 %A A192736 _Reinhard Zumkeller_, Jul 08 2011