OFFSET
0,3
LINKS
FORMULA
a(n) = (6^n + (-4)^n)/2.
G.f.: (1-x)/((1+4x)(1-6x)).
E.g.f.: (exp(6x) + exp(-4x))/2.
MATHEMATICA
LinearRecurrence[{2, 24}, {1, 1}, 30] (* Harvey P. Dale, Nov 29 2017 *)
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Paul Barry, Apr 30 2003
STATUS
approved