OFFSET
0,2
LINKS
Index entries for linear recurrences with constant coefficients, signature (23, -188, 628, -672).
FORMULA
a(n) = -2^n/15 +27*6^n -343*7^n/5 +128*8^n/3. R. J. Mathar, Jun 23 2013
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved