A168126 - OEIS

%I #14 Sep 08 2022 08:45:48

%S 0,1,514,29529,524296,4882825,30233106,141237649,536870944,1743392241,

%T 5000000050,12968712361,30958682184,68929246009,144627327586,

%U 288325195425,549755814016,1007996950369,1785233613474,3065533129081,5120000000200,8339940489321

%N a(n) = n^2*(n^8+1)/2.

%H T. D. Noe, <a href="/A168126/b168126.txt">Table of n, a(n) for n = 0..1000</a>

%F G.f.: x*(1 + 503*x + 23930*x^2 + 227582*x^3 + 655184*x^4 + 655184*x^5 + 227582*x^6 + 23930*x^7 + 503*x^8 + x^9)/(1-x)^11. - _Vincenzo Librandi_, Jul 14 2016

%t Table[n^2*(n^8 + 1)/2, {n, 0, 50}] (* _G. C. Greubel_, Jul 14 2016 *)

%o (Magma) [n^2*(n^8+1)/2: n in [0..25]]; // _Vincenzo Librandi_, Jul 14 2016

%K nonn

%O 0,3

%A _N. J. A. Sloane_, Dec 11 2009