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%I #8 Jun 13 2015 00:55:18
%S 1,0,13,12,169,312,2341,6084,34177,107184,517309,1803516,8011225,
%T 29653416,125788117,481629108,1991086513,7770635808,31663673965,
%U 124911303660,504875391241,2003811035160,8062315730053,32108048151972,128855836912609,514152414736272,2060422457687581
%N Expansion of 1/((1+x)*(1+3*x)*(1-4*x)).
%H <a href="/index/Rec#order_03">Index entries for linear recurrences with constant coefficients</a>, signature (0,13,12).
%F a(n) = (-1)^n*3^(n+2)/14 + 4^(n+2)/35 - (-1)^n/10. - _R. J. Mathar_, Jan 09 2015
%Y Cf. A016208, A099621, A249997.
%K nonn,easy
%O 0,3
%A _Alex Ratushnyak_, Dec 28 2014
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