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!)

A199761 as a simple table

n a(n)
0 2
1 20
2 218
3 2396
4 26354
5 289892
6 3188810
7 35076908
8 385845986
9 4244305844
10 46687364282
11 513561007100
12 5649171078098
13 62140881859076
14 683549700449834
15 7519046704948172
16 82709513754429890
17 909804651298728788
18 10007851164286016666

[2,20,218,2396,26354,289892,3188810,35076908,
 385845986,4244305844,46687364282,513561007100,
 5649171078098,62140881859076,683549700449834,
 7519046704948172,82709513754429890,
 909804651298728788,10007851164286016666]

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 25 08:20 EDT 2024. Contains 371964 sequences. (Running on oeis4.)