OFFSET
0,2
LINKS
Index entries for linear recurrences with constant coefficients, signature (24, -209, 774, -1008).
FORMULA
a(n)=(6*8^(n+3)-15*7^(n+3)+10*6^(n+3)-3^(n+3))/60. [Yahia Kahloune, Jun 10 2013]
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved