login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

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

A250521 as a simple table

n a(n)
1 222
2 1180
3 5029
4 18859
5 65310
6 214812
7 682921
8 2122743
9 6501118
10 19720580
11 59462069
12 178644459
13 535616774
14 1604254580
15 4803055177
16 14379531399
17 43056528118
18 128955131820
19 386326404261
20 1157662173067
21 3469836562702

[222,1180,5029,18859,65310,214812,682921,2122743,
 6501118,19720580,59462069,178644459,535616774,
 1604254580,4803055177,14379531399,43056528118,
 128955131820,386326404261,1157662173067,
 3469836562702]

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 July 18 06:54 EDT 2024. Contains 374377 sequences. (Running on oeis4.)