OFFSET
0,2
COMMENTS
Binomial transform of A083315.
LINKS
Index entries for linear recurrences with constant coefficients, signature (14,-63,90).
FORMULA
a(n) = (2*6^n - (5^n - 3^n))/2.
G.f.: (1-9x+21x^2)/((1-3x)(1-5x)(1-6x)).
E.g.f.: (2*exp(6x) - exp(5x) + exp(3x))/2.
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Paul Barry, Apr 24 2003
STATUS
approved