OFFSET
0,3
FORMULA
From Chai Wah Wu, Jun 21 2016: (Start)
a(n) = a(n-1) - a(n-8) + a(n-9) for n > 12.
G.f.: x^2*(5*x^10 - 3*x^9 - 6*x^8 - 5*x^7 + 7*x^6 - 3*x^5 + 2*x^4 + x^3 - x^2 - 3*x - 3)/((x - 1)*(x^8 + 1)). (End)
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
STATUS
approved