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

 

Logo


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

A122684 as a simple table

n a(n)
1 0
2 1
3 4
4 19
5 54
6 155
7 432
8 1252
9 3384
10 9714
11 26752
12 75836
13 213058
14 603791
15 1702868
16 4830747
17 13666890
18 38742120
19 109715858
20 310884129
21 880368618
22 2493252951
23 7058102770
24 19978082407
25 56531061316
26 159932660960
27 452354328946
28 1279190479845
29 3616595649500

[0,1,4,19,54,155,432,1252,3384,9714,26752,75836,
 213058,603791,1702868,4830747,13666890,38742120,
 109715858,310884129,880368618,2493252951,
 7058102770,19978082407,56531061316,159932660960,
 452354328946,1279190479845,3616595649500]

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 17:50 EDT 2019. Contains 328268 sequences. (Running on oeis4.)