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!)

A130503 as a simple table

n a(n)
1 1
2 2
3 6
4 12
5 12
6 4
7 28
8 56
9 504
10 2520
11 27720
12 27720
13 27720
14 27720
15 5544
16 11088
17 188496
18 62832
19 1193808
20 5969040
21 1989680
22 1989680
23 45762640
24 137287920
25 686439600
26 8923714800
27 80313433200
28 80313433200
29 2329089562800
30 2329089562800

[1,2,6,12,12,4,28,56,504,2520,27720,27720,27720,
 27720,5544,11088,188496,62832,1193808,5969040,
 1989680,1989680,45762640,137287920,686439600,
 8923714800,80313433200,80313433200,2329089562800,
 2329089562800]

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 August 5 07:54 EDT 2021. Contains 346464 sequences. (Running on oeis4.)