OFFSET
0,2
LINKS
Index entries for linear recurrences with constant coefficients, signature (27, -236, 732, -720).
FORMULA
a(n) = -2^n/10 +3*3^n/7 -125*10^n/14 +48*12^n/5. - R. J. Mathar, Jun 20 2013
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved