OFFSET
0,1
REFERENCES
G. Pólya and G. Szegő, Problems and Theorems in Analysis, Springer-Verlag, NY, 2 vols., 1972, Vol. 1, p. 2, Problems 6 and 8.
FORMULA
G.f.: (1/x+1+x)^2*(1/x^2+1+x^2)*(1/x^5+1+x^5)*(1/x^10+1+x^10)^2*(1/x^20+1+x^20)*(1/x^50+1+x^50) (then discard terms involving negative exponents).
a(n) = 0 for n > 99.
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jul 28 2012
STATUS
approved