login
The OEIS is supported by the many generous donors to the OEIS 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 60th year, we have over 367,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)

A202248 as a simple table

n a(n)
1 1
2 5
3 27
4 171
5 1077
6 6963
7 45523
8 300417
9 1995897
10 13332697
11 89461271
12 602525231
13 4070925653
14 27580062519
15 187294750351
16 1274550544383
17 8689294370837
18 59336253329567
19 405779196651853
20 2778627840692687
21 19049684072515863

[1,5,27,171,1077,6963,45523,300417,1995897,
 13332697,89461271,602525231,4070925653,
 27580062519,187294750351,1274550544383,
 8689294370837,59336253329567,405779196651853,
 2778627840692687,19049684072515863]

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 December 5 09:29 EST 2023. Contains 367589 sequences. (Running on oeis4.)