OFFSET
0,2
LINKS
Harvey P. Dale, Table of n, a(n) for n = 0..958
Index entries for linear recurrences with constant coefficients, signature (31, -349, 1689, -2970).
FORMULA
a(n)=(2*11^(n+3)-5*9^(n+3)+8*6^(n+3)-5^(n+4))/120. [Yahia Kahloune, Jun 03 2013]
MATHEMATICA
CoefficientList[Series[1/((1-5x)(1-6x)(1-9x)(1-11x)), {x, 0, 30}], x] (* or *) LinearRecurrence[{31, -349, 1689, -2970}, {1, 31, 612, 9842}, 30] (* Harvey P. Dale, Nov 18 2014 *)
PROG
(PARI) x='x+O('x^66); Vec(1/((1-5*x)*(1-6*x)*(1-9*x)*(1-11*x))) \\ Joerg Arndt, Jun 03 2013
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved