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 59th year, we have over 358,000 sequences, and we’ve crossed 10,300 citations (which often say “discovered thanks to the OEIS”).

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

A220316 as a simple table

n a(n)
1 1
2 5
3 24
4 89
5 389
6 1566
7 6401
8 25704
9 103047
10 411453
11 1640962
12 6538036
13 26037222
14 103664093
15 412658625
16 1642555969
17 6537717638
18 26020883563
19 103564418265
20 412188609650
21 1640510914951
22 6529219819790
23 25986198727161
24 103424615577923

[1,5,24,89,389,1566,6401,25704,103047,411453,
 1640962,6538036,26037222,103664093,412658625,
 1642555969,6537717638,26020883563,103564418265,
 412188609650,1640510914951,6529219819790,
 25986198727161,103424615577923]

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 1 08:20 EST 2022. Contains 358458 sequences. (Running on oeis4.)