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A063398 T(5,n) with T(n,m) as in A063394. 4

%I #8 Jun 13 2015 00:50:29

%S 1,63,255,863,2655,7683,21287,57071,149087,381311,958207,2372095,

%T 5796863,14007295,33511423,79466495,186949631,436666367,1013317631,

%U 2337538047,5362941951,12242386943,27817148415,62934482943,141815709695,318372839423,712243150847

%N T(5,n) with T(n,m) as in A063394.

%H Colin Barker, <a href="/A063398/b063398.txt">Table of n, a(n) for n = 0..1000</a>

%H <a href="/index/Rec#order_06">Index entries for linear recurrences with constant coefficients</a>, signature (11,-50,120,-160,112,-32).

%F a(n) = (24*(-8+81*2^n)+1671*2^(1+n)*n+803*2^n*n^2+27*2^(1+n)*n^3+2^n*n^4) / 192 for n>0. - _Colin Barker_, May 27 2015

%F G.f.: -(260*x^6-996*x^5+1488*x^4-1088*x^3+388*x^2-52*x-1) / ((x-1)*(2*x-1)^5). - _Colin Barker_, May 27 2015

%o (PARI) Vec(-(260*x^6-996*x^5+1488*x^4-1088*x^3+388*x^2-52*x-1) / ((x-1)*(2*x-1)^5) + O(x^100)) \\ _Colin Barker_, May 27 2015

%Y Cf. A063394, A063396, A063397.

%K easy,nonn

%O 0,2

%A _Floor van Lamoen_, Jul 16 2001

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)