OFFSET
1,1
LINKS
Index entries for linear recurrences with constant coefficients, signature (1, 1, 0, 1, 2, 0, -1, 0, 0, -1).
FORMULA
a(n) = a(n-1) + a(n-2) + a(n-4) + 2a(n-5) - a(n-7) - a(n-10).
G.f.: x*(2+2*x+2*x^2+3*x^3+x^4-x^5-x^6-x^7-x^8-x^9)/(1-x-x^2-x^4-2*x^5+x^7+x^ 10) [From Maksym Voznyy (voznyy(AT)mail.ru), Jul 26 2009]
CROSSREFS
KEYWORD
nonn
AUTHOR
Tanya Khovanova, Dec 28 2006
EXTENSIONS
G.f. proposed by Maksym Voznyy checked and corrected by R. J. Mathar, Sep 16 2009.
STATUS
approved