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!)

A081186 as a simple table

n a(n)
0 1
1 4
2 17
3 76
4 353
5 1684
6 8177
7 40156
8 198593
9 986404
10 4912337
11 24502636
12 122336033
13 611148724
14 3054149297
15 15265963516
16 76315468673
17 381534296644
18 1907542343057
19 9537324294796
20 47685459212513
21 238423809278164
22 1192108586037617
23 5960511549128476

[1,4,17,76,353,1684,8177,40156,198593,986404,
 4912337,24502636,122336033,611148724,3054149297,
 15265963516,76315468673,381534296644,
 1907542343057,9537324294796,47685459212513,
 238423809278164,1192108586037617,5960511549128476]

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 08:05 EDT 2024. Contains 373160 sequences. (Running on oeis4.)