login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

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

A172223 as a simple table

n a(n)
1 1
2 252
3 1925
4 6534
5 20502
6 57710
7 142312
8 308254
9 606051
10 1105332
11 1897899
12 3100250
13 4857000
14 7344010
15 10771530
16 15387310
17 21479725
18 29380900
19 39469835
20 52175530
21 67980110
22 87421950
23 111098800
24 139670910
25 173864155

[1,252,1925,6534,20502,57710,142312,308254,606051,
 1105332,1897899,3100250,4857000,7344010,10771530,
 15387310,21479725,29380900,39469835,52175530,
 67980110,87421950,111098800,139670910,173864155]

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 17 22:23 EDT 2024. Contains 371767 sequences. (Running on oeis4.)