OFFSET
0,2
LINKS
Index entries for linear recurrences with constant coefficients, signature (35,-448,2484,-5040)
FORMULA
a(n) = 22*a(n-1) - 120*a(n-2) + 7^(n+1) - 6^(n+1), n >= 2. - Vincenzo Librandi, Mar 13 2011
a(n) = 12^(n+2)/5 - 9*6^n + 7^(n+3)/15 - 125*10^n/3. - R. J. Mathar, Mar 18 2011
MATHEMATICA
CoefficientList[Series[1/((1-6x)(1-7x)(1-10x)(1-12x)), {x, 0, 30}], x] (* or *) LinearRecurrence[{35, -448, 2484, -5040}, {1, 35, 777, 13999}, 30] (* Harvey P. Dale, Nov 07 2013 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved