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!)

A173220 as a simple table

n a(n)
0 0
1 1
2 0
3 2
4 4
5 0
6 60
7 18
8 9
9 0
10 3528
11 672
12 72
13 16
14 0
15 377620
16 51600
17 3600
18 200
19 25
20 0
21 63642600
22 6883920
23 359100
24 13200
25 450
26 36
27 0
28 15485843814
29 1399989780
30 59539410
31 1675800
32 38220
33 882
34 49
35 0
36 5128034120832
37 401060653056
38 14585598720

[0,1,0,2,4,0,60,18,9,0,3528,672,72,16,0,377620,
 51600,3600,200,25,0,63642600,6883920,359100,13200,
 450,36,0,15485843814,1399989780,59539410,1675800,
 38220,882,49,0,5128034120832,401060653056,
 14585598720]

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 April 19 04:35 EDT 2024. Contains 371782 sequences. (Running on oeis4.)