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!)

A118930 as a simple table

n a(n)
0 1
1 1
2 2
3 4
4 13
5 41
6 166
7 652
8 3494
9 18118
10 114076
11 681176
12 5016892
13 35377564
14 288204008
15 2232198256
16 21124254181
17 191779964597
18 2011347229114
19 19840403629108
20 231266808172181
21 2553719667653281
22 31743603728993542

[1,1,2,4,13,41,166,652,3494,18118,114076,681176,
 5016892,35377564,288204008,2232198256,21124254181,
 191779964597,2011347229114,19840403629108,
 231266808172181,2553719667653281,
 31743603728993542]

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 19 10:38 EDT 2024. Contains 371791 sequences. (Running on oeis4.)