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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)

A000344 as a simple table

n a(n)
2 1
3 5
4 20
5 75
6 275
7 1001
8 3640
9 13260
10 48450
11 177650
12 653752
13 2414425
14 8947575
15 33266625
16 124062000
17 463991880
18 1739969550
19 6541168950
20 24647883000
21 93078189750
22 352207870014
23 1335293573130
24 5071418015120
25 19293438101000
26 73514652074500
27 280531912316292

[1,5,20,75,275,1001,3640,13260,48450,177650,
 653752,2414425,8947575,33266625,124062000,
 463991880,1739969550,6541168950,24647883000,
 93078189750,352207870014,1335293573130,
 5071418015120,19293438101000,73514652074500,
 280531912316292]

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified October 22 05:06 EDT 2018. Contains 316432 sequences. (Running on oeis4.)