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!)

A080961 as a simple table

n a(n)
0 1
1 9
2 57
3 321
4 1713
5 8889
6 45417
7 230001
8 1158753
9 5820009
10 29178777
11 146130081
12 731358993
13 3658920729
14 18300980937
15 91524036561
16 457677578433
17 2288560079049
18 11443316955897
19 57218134461441
20 286095321353073

[1,9,57,321,1713,8889,45417,230001,1158753,
 5820009,29178777,146130081,731358993,3658920729,
 18300980937,91524036561,457677578433,
 2288560079049,11443316955897,57218134461441,
 286095321353073]

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 April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)