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!)

A121638 as a simple table

n a(n)
1 1
2 1
3 2
4 7
5 29
6 147
7 889
8 6252
9 50163
10 452356
11 4529812
12 49878095
13 598989496
14 7791393260
15 109129383735
16 1637539745521
17 26208427321596
18 445652393850867
19 8023380629061127
20 152470440379483009
21 3049854459983511047
22 64054967040282793114
23 1409361745326600931517

[1,1,2,7,29,147,889,6252,50163,452356,4529812,
 49878095,598989496,7791393260,109129383735,
 1637539745521,26208427321596,445652393850867,
 8023380629061127,152470440379483009,
 3049854459983511047,64054967040282793114,
 1409361745326600931517]

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 July 3 03:26 EDT 2024. Contains 373963 sequences. (Running on oeis4.)