OFFSET
0,2
LINKS
Index entries for linear recurrences with constant coefficients, signature (30, -305, 1200, -1584).
FORMULA
a(n)=(7*12^(n+3)-9*11^(n+3)+9*4^(n+3)-7*3^(n+3))/504. [Yahia Kahloune, Jun 07 2013]
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved