OFFSET
0,2
LINKS
Index entries for linear recurrences with constant coefficients, signature (31, -336, 1476, -2160).
FORMULA
a(n)=(14*12^(n+3)-27*10^(n+3)+21*6^(n+3)-8*3^(n+3))/1512. [Yahia Kahloune, Jun 10 2013]
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved