OFFSET
0,2
LINKS
Index entries for linear recurrences with constant coefficients, signature (31, -329, 1289, -990).
FORMULA
a(n) = (36*11^(n+3) - 80*10^(n+3) + 45*9^(n+3) - 1)/720. [Yahia Kahloune, Jul 02 2013]
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved