The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
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!)

A270863 as a simple table

n a(n)
0 0
1 1
2 2
3 6
4 17
5 50
6 147
7 434
8 1282
9 3789
10 11200
11 33109
12 97878
13 289354
14 855413
15 2528850
16 7476023
17 22101326
18 65338038
19 193158521
20 571033600
21 1688143881
22 4990651642
23 14753839486
24 43616704857
25 128943855250
26 381196100507
27 1126928202714
28 3331532438042
29 9848993360069

[0,1,2,6,17,50,147,434,1282,3789,11200,33109,
 97878,289354,855413,2528850,7476023,22101326,
 65338038,193158521,571033600,1688143881,
 4990651642,14753839486,43616704857,128943855250,
 381196100507,1126928202714,3331532438042,
 9848993360069]

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 June 7 10:57 EDT 2024. Contains 373162 sequences. (Running on oeis4.)