OFFSET
0,2
LINKS
Index entries for linear recurrences with constant coefficients, signature (27,-249,893,-990).
FORMULA
G.f.: 1/((1-2*x)*(1-5*x)*(1-9*x)*(1-11*x)).
a(n) = -8*2^n/189 +125*5^n/72 -729*9^n/56 +1331*11^n/108. R. J. Mathar, Jun 22 2013
a(n) = 27*a(n-1)-249*a(n-2)+893*a(n-3)-990*a(n-4). - Wesley Ivan Hurt, Sep 04 2022
MATHEMATICA
CoefficientList[Series[1/((1-2x)(1-5x)(1-9x)(1-11x)), {x, 0, 30}], x] (* or *) LinearRecurrence[{27, -249, 893, -990}, {1, 27, 480, 7130}, 30] (* Harvey P. Dale, Aug 14 2018 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved