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!)

A227999 as a simple table

n a(n)
0 1
1 1
2 1
3 1
4 2
5 2
6 5
7 11
8 25
9 97
10 220
11 1396
12 6053
13 30467
14 249431
15 1381913
16 19850884
17 160799404
18 1942868797
19 36133524445
20 458473480079
21 13521902050025
22 220176552243482
23 7006033824529130
24 276364333237297549
25 7470025110120086101
26 460097285931623600317
27 17010560092754291510533
28 1372227474279446678113082

[1,1,1,1,2,2,5,11,25,97,220,1396,6053,30467,
 249431,1381913,19850884,160799404,1942868797,
 36133524445,458473480079,13521902050025,
 220176552243482,7006033824529130,
 276364333237297549,7470025110120086101,
 460097285931623600317,17010560092754291510533,
 1372227474279446678113082]

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 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)