OFFSET
0,5
REFERENCES
Anthony Mendes and Jeffrey Remmel, Generating functions from symmetric functions, Preliminary version of book, available from Jeffrey Remmel's home page http://math.ucsd.edu/~remmel/, see p. 130.
FORMULA
The e.g.f. is 1/(Sum_{n >= 0} (x^n/n!)*binomial(2n,n)/(n+1)).
CROSSREFS
KEYWORD
sign
AUTHOR
N. J. A. Sloane, Dec 31 2010
STATUS
approved