OFFSET
0,2
LINKS
Index entries for linear recurrences with constant coefficients, signature (29, -311, 1459, -2520).
FORMULA
a(n)=(3*9^(n+3)-8^(n+4)+6*7^(n+3)-5^(n+3))/24. [Yahia Kahloune, May 31 2013]
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved