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!)

A246689 as a simple table

n a(n)
0 1
1 1
2 3
3 13
4 61
5 381
6 2791
7 22513
8 210393
9 2183401
10 24575851
11 305067621
12 4097726293
13 58876485253
14 910581818511
15 15005958062761
16 261751577640241
17 4844661893762193
18 94564968066402643
19 1938366513866527741
20 41760228574294689261
21 941821175462309114701

[1,1,3,13,61,381,2791,22513,210393,2183401,
 24575851,305067621,4097726293,58876485253,
 910581818511,15005958062761,261751577640241,
 4844661893762193,94564968066402643,
 1938366513866527741,41760228574294689261,
 941821175462309114701]

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 August 10 06:08 EDT 2022. Contains 356029 sequences. (Running on oeis4.)