OFFSET
0,2
REFERENCES
CRC Standard Mathematical Tables and Formulae, 30th ed. 1996, p. 42.
EXAMPLE
1 - (1/2)*x^2 + (1/6)*x^4 - (31/720)*x^6 + (379/40320)*x^8 - (1639/907200)*x^10 + ...
CROSSREFS
KEYWORD
nonn,easy,frac
AUTHOR
STATUS
approved