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

 

Logo

Thanks to everyone who made a donation during our annual appeal!
To see the list of donors, or make a donation, see the OEIS Foundation home page.

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

A221189 as a simple table

n a(n)
1 1
2 31
3 318
4 3605
5 39851
6 441912
7 4896043
8 54248371
9 601050906
10 6659404865
11 73783381595
12 817488259440
13 9057417947527
14 100352286120727
15 1111860046543146
16 12318929680916909
17 136488426454208783
18 1512232882805726640

[1,31,318,3605,39851,441912,4896043,54248371,
 601050906,6659404865,73783381595,817488259440,
 9057417947527,100352286120727,1111860046543146,
 12318929680916909,136488426454208783,
 1512232882805726640]

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 January 17 12:35 EST 2020. Contains 330958 sequences. (Running on oeis4.)