OFFSET
0,1
LINKS
Colin Barker, Table of n, a(n) for n = 0..1000
Index entries for linear recurrences with constant coefficients, signature (5,35,-67,-145,145,67,-35,-5,1).
FORMULA
G.f.: -(2*x^6-2*x^5-11*x^4+13*x^3-5*x^2-x+3) / ((x-1)*(x^4-11*x^3+25*x^2-11*x+1)*(x^4+7*x^3+13*x^2+7*x+1)). - Colin Barker, May 25 2015
MATHEMATICA
LinearRecurrence[{5, 35, -67, -145, 145, 67, -35, -5, 1}, {3, 14, 170, 1152, 10326, 78963, 656624, 5213426, 42439104}, 30] (* Harvey P. Dale, May 27 2020 *)
PROG
(PARI) Vec(-(2*x^6-2*x^5-11*x^4+13*x^3-5*x^2-x+3) / ((x-1)*(x^4-11*x^3+25*x^2-11*x+1)*(x^4+7*x^3+13*x^2+7*x+1)) + O(x^100)) \\ Colin Barker, May 25 2015
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Dec 16 2012
STATUS
approved