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 A096200 #14 Sep 01 2023 03:29:42 %S A096200 0,0,0,7,40,130,320,665,1232,2100,3360,5115,7480,10582,14560,19565, %T A096200 25760,33320,42432,53295,66120,81130,98560,118657,141680,167900, %U A096200 197600,231075,268632,310590,357280,409045,466240,529232,598400,674135,756840,846930,944832 %N A096200 a(n) = n*(n-1)*(n-2)*(3*n-2)/6. %H A096200 <a href="/index/Rec#order_05">Index entries for linear recurrences with constant coefficients</a>, signature (5,-10,10,-5,1). %F A096200 From _Stefano Spezia_, Aug 31 2023: (Start) %F A096200 G.f.: x^3*(7 + 5*x)/(1 - x)^5. %F A096200 a(n+2) - a(n+1) = A051895(n). (End) %t A096200 Table[n*(n-1)*(n-2)*(3*n-2)/6,{n,0,100}] (* _Vladimir Joseph Stephan Orlovsky_, Jun 03 2011 *) %Y A096200 Cf. A051895. %K A096200 nonn,easy %O A096200 0,4 %A A096200 _N. J. A. Sloane_, Jul 27 2004