OFFSET
0,3
COMMENTS
Hankel transform of A141351.
LINKS
Index entries for linear recurrences with constant coefficients, signature (1,0,2,-2,0,-1,1).
FORMULA
G.f.: (1-2x-5x^2-7x^3+x^6)/(1-x-2x^3+2x^4+x^6-x^7);
MATHEMATICA
CoefficientList[Series[(1-2x-5x^2-7x^3+x^6)/ ((1-x)(1-x^3)^2), {x, 0, 50}], x] (* Harvey P. Dale, Mar 31 2011 *)
CROSSREFS
KEYWORD
easy,sign
AUTHOR
Paul Barry, Jun 27 2008
STATUS
approved