OFFSET
0,2
LINKS
Index entries for linear recurrences with constant coefficients, signature (27, -246, 872, -960).
FORMULA
a(n) = -2*2^n/45 +125*5^n/63 -64*8^n/9 +216*12^n/35. R. J. Mathar, Jun 20 2013
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved