OFFSET
0,4
LINKS
Alois P. Heinz, Table of n, a(n) for n = 0..1000
Stefano Bilotta, Variable-length Non-overlapping Codes, arXiv preprint arXiv:1605.03785 [cs.IT], 2016 [See Table 2].
FORMULA
G.f.: -1/((x+1)*(x^2+x+1)*(x^2-x+1)*(x^5+x^4+x^3+x^2+x-1)). - Alois P. Heinz, Mar 25 2017
MATHEMATICA
CoefficientList[Series[-1/((x + 1)*(x^2 + x + 1)*(x^2 - x + 1)*(x^5 + x^4 + x^3 + x^2 + x - 1)), {x, 0, 50}], x] (* Indranil Ghosh, Mar 26 2017 *)
PROG
(PARI) Vec(-1/((x + 1)*(x^2 + x + 1)*(x^2 - x + 1)*(x^5 + x^4 + x^3 + x^2 + x - 1)) + O(x^50)) \\ Indranil Ghosh, Mar 26 2017
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
N. J. A. Sloane, Mar 25 2017
EXTENSIONS
More terms from Alois P. Heinz, Mar 25 2017
STATUS
approved