OFFSET
0,2
LINKS
Index entries for linear recurrences with constant coefficients, signature (34, -413, 2096, -3696).
FORMULA
a(n)=(21*12^(n+3)-30*11^(n+3)+2*7^(n+4)-5*4^(n+3))/840. [Yahia Kahloune, May 29 2013]
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved