OFFSET
0,2
LINKS
Index entries for linear recurrences with constant coefficients, signature (22, -164, 488, -480).
FORMULA
a(n) = -2^n/8 +8*4^n/3 -27*6^n/4 +125*10^n/24. - R. J. Mathar, Jun 20 2013
MATHEMATICA
CoefficientList[Series[1/((1-2x)(1-4x)(1-6x)(1-10x)), {x, 0, 30}], x] (* or *) LinearRecurrence[{22, -164, 488, -480}, {1, 22, 320, 3920}, 30] (* Harvey P. Dale, Dec 30 2014 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved