OFFSET
0,2
LINKS
Index entries for linear recurrences with constant coefficients, signature (18,-113,288,-252).
FORMULA
a(n) = -3*6^(n+1) -2^(n+1)/5 +7^(n+3)/20 + 3^(n+2)/4. - R. J. Mathar, May 22 2013
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved