OFFSET
0,2
LINKS
Index entries for linear recurrences with constant coefficients, signature (24, -201, 674, -720).
FORMULA
a(n) = -4*2^n/63 +125*5^n/36 -256*8^n/9 +729*9^n/28. R. J. Mathar, Jun 20 2013
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved