OFFSET
0,2
LINKS
Index entries for linear recurrences with constant coefficients, signature (23, -191, 673, -840).
FORMULA
a(n)=(8^(n+4)-15*7^(n+3)+2*5^(n+4)-3^(n+4))/120. [Yahia Kahloune, Jun 08 2013]
MATHEMATICA
CoefficientList[Series[1/((1-3x)(1-5x)(1-7x)(1-8x)), {x, 0, 30}], x] (* or *) LinearRecurrence[{23, -191, 673, -840}, {1, 23, 338, 4054}, 30] (* Harvey P. Dale, Dec 17 2014 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved