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!)

A057971 as a simple table

n a(n)
2 2
3 18
4 133
5 873
6 5182
7 27786
8 135370
9 602454
10 2466628
11 9358497
12 33134431
13 110184932
14 346141949
15 1032550097
16 2938104492
17 8006865684
18 20971632456
19 52958252851
20 129291697111
21 305924724070
22 703108665327
23 1572722761341

[2,18,133,873,5182,27786,135370,602454,2466628,
 9358497,33134431,110184932,346141949,1032550097,
 2938104492,8006865684,20971632456,52958252851,
 129291697111,305924724070,703108665327,
 1572722761341]

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 March 29 11:14 EDT 2024. Contains 371278 sequences. (Running on oeis4.)