OFFSET
0,2
LINKS
Index entries for linear recurrences with constant coefficients, signature (25, -216, 740, -800).
FORMULA
a(n) = -2^n/18 +25*5^n/9 -128*8^n/9 +25*10^n/2. R. J. Mathar, Jun 20 2013
a(0)=1, a(1)=25, a(2)=409, a(3)=5565, a(n)=25*a(n-1)-216*a(n-2)+740*a(n-3)-800*a(n-4). - Harvey P. Dale, Aug 25 2014
MATHEMATICA
CoefficientList[Series[1/((1-2x)(1-5x)(1-8x)(1-10x)), {x, 0, 20}], x] (* or *) LinearRecurrence[{25, -216, 740, -800}, {1, 25, 409, 5565}, 20] (* Harvey P. Dale, Aug 25 2014 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved