OFFSET
0,2
LINKS
Index entries for linear recurrences with constant coefficients, signature (28, -269, 1022, -1320).
FORMULA
a(n)=(3*11^(n+3)-4*10^(n+3)+4^(n+4)-3^(n+4))/168. [Yahia Kahloune, May 27 2013].
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved