OFFSET
0,3
REFERENCES
Jaric and Birman, J. Math. Phys. 18 (1977), 1459-1465; 2085.
FORMULA
(1+2*x^2+5*x^3+11*x^4+9*x^5+11*x^6+6*x^7+3*x^8)/(1-x)/(1-x^2)^3/(1-x^3)^2
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved