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!)

A007663 as a simple table

n a(n)
2 1
3 3
4 9
5 93
6 315
7 3855
8 13797
9 182361
10 9256395
11 34636833
12 1857283155
13 26817356775
14 102280151421
15 1497207322929
16 84973577874915
17 4885260612740877
18 18900352534538475
19 1101298153654301589
20 16628050996019877513
21 64689951820132126215
22 3825714619033636628817

[1,3,9,93,315,3855,13797,182361,9256395,34636833,
 1857283155,26817356775,102280151421,1497207322929,
 84973577874915,4885260612740877,18900352534538475,
 1101298153654301589,16628050996019877513,
 64689951820132126215,3825714619033636628817]

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 March 28 04:13 EDT 2024. Contains 371235 sequences. (Running on oeis4.)