OFFSET
0,5
COMMENTS
Low limiting ratio in 100th iteration near 1.16663.
The polynomial is interesting for the puzzling low ratio and the Salem like root structure with two complex roots outside the unit circle.
LINKS
Index entries for linear recurrences with constant coefficients, signature (1,0,0,1,0,-1).
FORMULA
a(n) = a(n-1) + a(n-4) + a(n-6). - Franck Maminirina Ramaharo, Oct 31 2018
MATHEMATICA
CoefficientList[Series[1/(1 - x - x^4 + x^6), {x, 0, 60}], x]
PROG
(PARI) x='x+O('x^50); Vec(1/(1 - x - x^4 + x^6)) \\ G. C. Greubel, Nov 03 2018
(Magma) m:=50; R<x>:=PowerSeriesRing(Integers(), m); Coefficients(R!(1/(1 - x - x^4 + x^6))); // G. C. Greubel, Nov 03 2018
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Roger L. Bagula, Nov 28 2010
STATUS
approved