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!)

A127689 as a simple table

n a(n)
1 3
2 4
3 12
4 84
5 132
6 12324
7 15960
8 26280
9 27300
10 66660
11 115188
12 9777193284
13 23465263884
14 48701491080
15 40900397690640
16 680008604512020
17 127049882801497788
18 247290967245178188
19 335580091290976716
20 1045885075937364972
21 1607091702050097396
22 3419793695168900508
23 5138020847719969956
24 10059508412964112740

[3,4,12,84,132,12324,15960,26280,27300,66660,
 115188,9777193284,23465263884,48701491080,
 40900397690640,680008604512020,127049882801497788,
 247290967245178188,335580091290976716,
 1045885075937364972,1607091702050097396,
 3419793695168900508,5138020847719969956,
 10059508412964112740]

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 September 30 17:27 EDT 2022. Contains 357106 sequences. (Running on oeis4.)