OFFSET
0,2
LINKS
Index entries for linear recurrences with constant coefficients, signature (26, -224, 736, -768).
FORMULA
G.f.: 1/((1-2*x)*(1-4*x)*(1-8*x)*(1-12*x)).
a(n) = -2^n/15 +4^n/1 -16*8^n/3 +27*12^n/5. - R. J. Mathar, Jun 20 2013
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved