OFFSET
1,3
LINKS
R. J. Mathar, Paving rectangular regions with rectangular tiles,...., arXiv:1311.6135 [math.CO], Table 9.
Index entries for linear recurrences with constant coefficients, signature (1,1,0,0,-1,1,-1,0,-1).
FORMULA
For n >= 12, a(n) = a(n-1) + a(n-2) - a(n-5) + a(n-6) - a(n-7) - a(n-9).
G.f.: x*(1-x^10-2*x^8-2*x^6-x^4) / ((x^3+x-1) * (x^6+x^2-1)) [From Maksym Voznyy (voznyy(AT)mail.ru), Aug 11 2009]
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Dean Hickerson, Mar 11 2002
EXTENSIONS
G.f. proposed by Maksym Voznyy checked and corrected by R. J. Mathar, Sep 16 2009.
STATUS
approved