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!)

A136781 as a simple table

n a(n)
1 1
2 3
3 21
4 162
5 1305
6 10719
7 88830
8 739179
9 6162669
10 51425010
11 429299217
12 3584510631
13 29932216686
14 249957514899
15 2087382613509
16 17431787135682
17 145573937119305
18 1215699423313455
19 10152411188679774
20 84783702198390651
21 708036493717628253
22 5912878431088447506

[1,3,21,162,1305,10719,88830,739179,6162669,
 51425010,429299217,3584510631,29932216686,
 249957514899,2087382613509,17431787135682,
 145573937119305,1215699423313455,
 10152411188679774,84783702198390651,
 708036493717628253,5912878431088447506]

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 April 6 14:08 EDT 2020. Contains 333276 sequences. (Running on oeis4.)