login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A170908 Numerators in Taylor series expansion of Product_{n >= 1} (1+x^n/n!). 4
1, 1, 1, 2, 5, 2, 41, 169, 541, 71, 8983, 44419, 20183, 802751, 445223, 52275409, 166257661, 26261353, 2160586067, 4871649347, 3667033133, 2762567051857, 10112898715063, 12453960597367, 24546527305109, 48002125894859, 5216471357244949, 159144839200310539 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

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..27.

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. A170909.

Sequence in context: A319201 A019295 A328264 * A229029 A055385 A160503

Adjacent sequences:  A170905 A170906 A170907 * A170909 A170910 A170911

KEYWORD

nonn,frac

AUTHOR

N. J. A. Sloane, Jan 30 2010

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified October 20 04:52 EDT 2021. Contains 348099 sequences. (Running on oeis4.)