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A170909 Denominators in Taylor series expansion of Product_{n >= 1} (1+x^n/n!). 3
1, 1, 2, 3, 24, 15, 360, 5040, 40320, 11340, 1814400, 39916800, 47900160, 6227020800, 7925299200, 1307674368000, 20922789888000, 11115232128000, 3201186852864000, 24329020081766400, 48658040163532800, 51090942171709440000, 1124000727777607680000 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

REFERENCES

H. Gingold, H. W. Gould and M. E. Mays, Power product expansions, Until. Math., 34 (1988), 143-161.

LINKS

Table of n, a(n) for n=0..22.

EXAMPLE

1+x+(1/2)*x^2+(2/3)*x^3+(5/24)*x^4+(2/15)*x^5+(41/360)*x^6+(169/5040)*x^7+...

CROSSREFS

Cf. A170908.

Sequence in context: A061098 A160630 A119619 * A160606 A099617 A092043

Adjacent sequences:  A170906 A170907 A170908 * A170910 A170911 A170912

KEYWORD

nonn,frac

AUTHOR

N. J. A. Sloane, Jan 30 2010

STATUS

approved

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Last modified October 26 08:06 EDT 2020. Contains 338027 sequences. (Running on oeis4.)