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!)

A336021 as a simple table

n a(n)
0 1
1 1
2 1
3 1
4 1
5 1
6 2
7 5
8 15
9 52
10 204
11 902
12 4532
13 26196
14 175320
15 1351296
16 11819348
17 115309534
18 1236465988
19 14419850138
20 181652022376
21 2462053028798
22 35834756184146
23 559816444117400
24 9389648056139010
25 169166236946379128
26 3273760080403458226
27 67994123544008546820

[1,1,1,1,1,1,2,5,15,52,204,902,4532,26196,175320,
 1351296,11819348,115309534,1236465988,14419850138,
 181652022376,2462053028798,35834756184146,
 559816444117400,9389648056139010,
 169166236946379128,3273760080403458226,
 67994123544008546820]

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 23 23:26 EDT 2024. Contains 371917 sequences. (Running on oeis4.)