OFFSET
1,1
LINKS
Index entries for linear recurrences with constant coefficients, signature (0,1,0,-1,0,1).
FORMULA
G.f.: x*(1-x^2+x^3+x^4-x^6)/(1-x^2+x^4-x^6). [Bruno Berselli, Apr 06 2012]
a(n) = A000475(n)(mod 2) for n > 3. - John M. Campbell, Jul 14 2016
MATHEMATICA
RealDigits[ 4/3, GoldenRatio, 111][[1]] (* or *)
LinearRecurrence[{0, 1, 0, -1, 0, 1}, {1, 0, 0, 1, 0, 1, 0}, 110] (* Harvey P. Dale, Jun 16 2016 *)
CROSSREFS
KEYWORD
nonn,base,easy
AUTHOR
Robert G. Wilson v, Feb 26 2010
STATUS
approved