login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A030913 [ exp(4/15)*n! ]. 0
1, 2, 7, 31, 156, 940, 6580, 52642, 473778, 4737780, 52115580, 625386966, 8130030563, 113820427882, 1707306418237, 27316902691801, 464387345760618, 8358972223691130, 158820472250131476, 3176409445002629538 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..20.

CROSSREFS

Sequence in context: A302061 A030823 A030873 * A181066 A325452 A030945

Adjacent sequences:  A030910 A030911 A030912 * A030914 A030915 A030916

KEYWORD

nonn

AUTHOR

Simon Plouffe

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 18 08:08 EDT 2019. Contains 328146 sequences. (Running on oeis4.)