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 A196288 #25 Jun 27 2025 10:14:28 %S A196288 0,2,258,6564,65540,390630,1679622,5764808,16777224,43046730, %T A196288 100000010,214358892,429981708,815730734,1475789070,2562890640, %U A196288 4294967312,6975757458,11019960594,16983563060,25600000020,37822859382,54875873558,78310985304 %N A196288 a(n) = n^8 + n. %H A196288 Vincenzo Librandi, <a href="/A196288/b196288.txt">Table of n, a(n) for n = 0..10000</a> %H A196288 <a href="/index/Rec#order_09">Index entries for linear recurrences with constant coefficients</a>, signature (9,-36,84,-126,126,-84,36,-9,1). %F A196288 G.f. -2*x*(1+120*x+2157*x^2+7792*x^3+7827*x^4+2136*x^5+127*x^6) / (x-1)^9 . - _R. J. Mathar_, Oct 13 2011 %F A196288 a(n) = 2*A168067(n). - _R. J. Mathar_, Oct 13 2011 %t A196288 Array[#^8 + # &, 50, 0] (* _Paolo Xausa_, Jun 27 2025 *) %o A196288 (Magma) [n^8+n: n in [0..30]]; %o A196288 (PARI) a(n)=n^8+n \\ _Charles R Greathouse IV_, Nov 21 2011 %K A196288 nonn,easy,less %O A196288 0,2 %A A196288 _Vincenzo Librandi_, Oct 01 2011