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!)

A199489 as a simple table

n a(n)
0 2
1 13
2 90
3 629
4 4402
5 30813
6 215690
7 1509829
8 10568802
9 73981613
10 517871290
11 3625099029
12 25375693202
13 177629852413
14 1243408966890
15 8703862768229
16 60927039377602
17 426489275643213
18 2985424929502490
19 20897974506517429

[2,13,90,629,4402,30813,215690,1509829,10568802,
 73981613,517871290,3625099029,25375693202,
 177629852413,1243408966890,8703862768229,
 60927039377602,426489275643213,2985424929502490,
 20897974506517429]

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 4 10:10 EDT 2024. Contains 373092 sequences. (Running on oeis4.)