OFFSET
1,1
COMMENTS
All terms are integers.
FORMULA
lim n -> infinity a(n+1)/a(n) = (1/6) * ( 7 + sqrt(21) ) = 1.93042928249263...
G.f.: x(15x^5+23x^4-39x^3-45x^2+9x+9)/(-x^6+6x^4-6x^2+1).
CROSSREFS
KEYWORD
nonn
AUTHOR
Benoit Cloitre, Aug 06 2002
STATUS
approved