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!)

A240939 as a simple table

n a(n)
1 0
2 2
3 2
4 1
5 1
6 9
7 1
8 81
9 729
10 225
11 324
12 39169
13 82944
14 176400
15 215296
16 3444736
17 26167684
18 114349225
19 255004929
20 1158920361
21 11638526761
22 42128246889
23 191052974116
24 97216010329
25 2430400258225
26 1553580508516
27 4666092737476
28 565986718738441
29 2137864362693921
30 5112360635841936

[0,2,2,1,1,9,1,81,729,225,324,39169,82944,176400,
 215296,3444736,26167684,114349225,255004929,
 1158920361,11638526761,42128246889,191052974116,
 97216010329,2430400258225,1553580508516,
 4666092737476,565986718738441,2137864362693921,
 5112360635841936]

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 2 10:28 EST 2022. Contains 358493 sequences. (Running on oeis4.)