login
This site is supported by donations to The OEIS Foundation.

 

Logo


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

A155747 as a simple table

n a(n)
1 2
2 4
3 12
4 60
5 60
6 120
7 360
8 3960
9 27720
10 27720
11 27720
12 27720
13 27720
14 637560
15 8288280
16 240360120
17 240360120
18 240360120
19 240360120
20 240360120
21 240360120
22 9854764920
23 9854764920
24 19709529840
25 98547649200
26 1675310036400
27 88791431929200

[2,4,12,60,60,120,360,3960,27720,27720,27720,
 27720,27720,637560,8288280,240360120,240360120,
 240360120,240360120,240360120,240360120,
 9854764920,9854764920,19709529840,98547649200,
 1675310036400,88791431929200]

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 November 18 07:22 EST 2019. Contains 329252 sequences. (Running on oeis4.)