OFFSET
0,3
COMMENTS
Limiting ratio is 1.401268367939855..., the largest real root of -1 + x + x^2 - x^5 - x^6 + x^7.
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..1000
Index entries for linear recurrences with constant coefficients, signature (1, 1, 0, 0, -1, -1, 1).
MATHEMATICA
CoefficientList[Series[1/(1 - x - x^2 + x^5 + x^6 - x^7), {x, 0, 50}], x]
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Roger L. Bagula, May 08 2013
STATUS
approved