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

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 56th year, we are closing in on 350,000 sequences, and we’ve crossed 9,700 citations (which often say “discovered thanks to the OEIS”).

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

A300963 as a simple table

n a(n)
1 1
2 40
3 159
4 1653
5 15861
6 154497
7 1550025
8 15500146
9 156403068
10 1575130287
11 15879164337
12 160094331582
13 1614106468648
14 16274791403276
15 164095092614649
16 1654549200516363
17 16682617880390335
18 168208868840066182

[1,40,159,1653,15861,154497,1550025,15500146,
 156403068,1575130287,15879164337,160094331582,
 1614106468648,16274791403276,164095092614649,
 1654549200516363,16682617880390335,
 168208868840066182]

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 November 29 21:32 EST 2021. Contains 349416 sequences. (Running on oeis4.)