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A094836 a(n) = 2702*a(n-1) - a(n-2); a(-1) = -15; a(0) = 15. 1

%I

%S -15,15,40545,109552575,296011017105,799821658665135,

%T 2161117825702177665,5839339565225625385695,

%U 15777893344121814089970225,42631861976477576445474162255,115191275282549067433857096442785,311246783181585603728705429114242815

%N a(n) = 2702*a(n-1) - a(n-2); a(-1) = -15; a(0) = 15.

%C Trisection of A028230.

%H Akshay Bansal, <a href="/A094836/b094836.txt">Table of n, a(n) for n = -1..190</a>

%H Tanya Khovanova, <a href="http://www.tanyakhovanova.com/RecursiveSequences/RecursiveSequences.html">Recursive Sequences</a>

%H <a href="/index/Rec#order_02">Index entries for linear recurrences with constant coefficients</a>, signature (2702, -1).

%F G.f.: 15*(2703*x-1)/(x*(x^2-2702*x+1)). - _Philippe Deléham_, Nov 19 2008

%t LinearRecurrence[{2702, -1}, {-15, 15}, 13] (* or *)

%t CoefficientList[Series[(15 + 15 x)/(1 - 2702 x + x^2), {x, 0, 13}], x] (* _Michael De Vlieger_, Jul 12 2017 *)

%o (PARI) concat(-15, Vec((15 + 15*x)/(1-2702*x+x^2) + O(x^20))) \\ _Michel Marcus_, Jul 09 2017

%Y Cf. A028230.

%K sign,easy

%O -1,1

%A _Lekraj Beedassy_, Jun 03 2004

%E Edited and extended by _Ray Chandler_, Jun 12 2004

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Last modified November 12 07:03 EST 2019. Contains 329052 sequences. (Running on oeis4.)