OFFSET
0,3
COMMENTS
A083334(n)/a(n) converges to sqrt(11)
LINKS
Index entries for linear recurrences with constant coefficients, signature (0, 12, 0, -25).
FORMULA
G.f.: (1+x-5x^2)/(1-12x^2+25x^4)
MATHEMATICA
CoefficientList[Series[(1+x-5x^2)/(1-12x^2+25x^4), {x, 0, 30}], x]
LinearRecurrence[{0, 12, 0, -25}, {1, 1, 7, 12}, 30] (* Harvey P. Dale, Mar 19 2013 *)
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Mario Catalani (mario.catalani(AT)unito.it), Apr 26 2003
STATUS
approved