login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


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

A027040 as a simple table

n a(n)
0 1
1 3
2 9
3 31
4 129
5 531
6 2129
7 8351
8 32177
9 122211
10 458801
11 1706015
12 6293169
13 23057651
14 83992313
15 304424639
16 1098525761
17 3948727555
18 14145206209
19 50515602111
20 179904080257
21 639103899411
22 2265253438745
23 8012421964063

[1,3,9,31,129,531,2129,8351,32177,122211,458801,
 1706015,6293169,23057651,83992313,304424639,
 1098525761,3948727555,14145206209,50515602111,
 179904080257,639103899411,2265253438745,
 8012421964063]

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 10 15:15 EDT 2021. Contains 343773 sequences. (Running on oeis4.)