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!)

A122909 as a simple table

n a(n)
0 1
1 4
2 19
3 79
4 338
5 1427
6 6053
7 25628
8 108583
9 459931
10 1948354
11 8253271
12 34961561
13 148099316
14 627359147
15 2657535383
16 11257501522
17 47687540107
18 202007664157
19 855718193164
20 3624880442591
21 15355239954179
22 65045840274434

[1,4,19,79,338,1427,6053,25628,108583,459931,
 1948354,8253271,34961561,148099316,627359147,
 2657535383,11257501522,47687540107,202007664157,
 855718193164,3624880442591,15355239954179,
 65045840274434]

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 24 16:25 EDT 2024. Contains 371961 sequences. (Running on oeis4.)