|
%I #16 Jun 26 2022 02:59:55
%S 1,24,383,5166,63993,756108,8690611,98243322,1099333565,12223792152,
%T 135381670359,1495646457318,16497281164417,181786417955556,
%U 2001865410394427,22036025351972754,242504828325007749
%N Expansion of 1/((1-2x)(1-4x)(1-7x)(1-11x)).
%H <a href="/index/Rec#order_04">Index entries for linear recurrences with constant coefficients</a>, signature (24,-193,606,-616).
%F a(n) = -4*2^n/45 + 32*4^n/21 - 343*7^n/60 + 1331*11^n/252. - _R. J. Mathar_, Jun 20 2013
%F From _Wesley Ivan Hurt_, Jun 26 2022: (Start)
%F G.f.: 1/((1-2*x)*(1-4*x)*(1-7*x)*(1-11*x)).
%F a(n) = 24*a(n-1) - 193*a(n-2) + 606*a(n-3) - 616*a(n-4). (End)
%t CoefficientList[Series[1/((1-2x)(1-4x)(1-7x)(1-11x)),{x,0,20}],x] (* _Harvey P. Dale_, Apr 05 2021 *)
%K nonn,easy
%O 0,2
%A _N. J. A. Sloane_
|
