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 A024106 #16 Jul 08 2025 17:27:50 %S A024106 1,8,49,486,5537,55924,523665,4766162,43013953,387361440,3486684401, %T A024106 31380898558,282429287649,2541865457036,22876791917137, %U A024106 205891131335274,1853020187803265,16677181698246712,150094635295109553 %N A024106 a(n) = 9^n-n^5. %H A024106 Vincenzo Librandi, <a href="/A024106/b024106.txt">Table of n, a(n) for n = 0..400</a> %H A024106 <a href="/index/Rec#order_07">Index entries for linear recurrences with constant coefficients</a>, signature (15,-69,155,-195,141,-55,9). %F A024106 G.f.: -(10*x^6+227*x^5+583*x^4+148*x^3-2*x^2-7*x+1) / ((x-1)^6*(9*x-1)). - _Colin Barker_, Jan 25 2015 %t A024106 Table[9^n-n^5,{n,0,20}] (* or *) LinearRecurrence[{15,-69,155,-195,141,-55,9},{1,8,49,486,5537,55924,523665},20] (* _Harvey P. Dale_, Sep 11 2019 *) %o A024106 (Magma) [9^n-n^5: n in [0..25]]; // _Vincenzo Librandi_, Jul 06 2011 %o A024106 (PARI) Vec(-(10*x^6+227*x^5+583*x^4+148*x^3-2*x^2-7*x+1)/((x-1)^6*(9*x-1)) + O(x^100)) \\ _Colin Barker_, Jan 25 2015 %K A024106 nonn,easy %O A024106 0,2 %A A024106 _N. J. A. Sloane_