login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)

A180400 as a simple table

n a(n)
0 1
1 3
2 21
3 162
4 1341
5 11529
6 101619
7 911466
8 8281737
9 76002381
10 703017549
11 6544803564
12 61254970686
13 575885086182
14 5434948357146
15 51462813578148
16 488705091057981
17 4652700300002475
18 44395945025504625
19 424479488258350350

[1,3,21,162,1341,11529,101619,911466,8281737,
 76002381,703017549,6544803564,61254970686,
 575885086182,5434948357146,51462813578148,
 488705091057981,4652700300002475,
 44395945025504625,424479488258350350]

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified June 4 01:32 EDT 2020. Contains 334809 sequences. (Running on oeis4.)