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!)

A090657 as a simple table

n a(n)
0 1
1 0
2 1
3 0
4 2
5 2
6 0
7 3
8 18
9 6
10 0
11 4
12 84
13 144
14 24
15 0
16 5
17 300
18 1500
19 1200
20 120
21 0
22 6
23 930
24 10800
25 23400
26 10800
27 720
28 0
29 7
30 2646
31 63210
32 294000
33 352800
34 105840
35 5040
36 0
37 8
38 7112
39 324576
40 2857680
41 7056000
42 5362560
43 1128960
44 40320

[1,0,1,0,2,2,0,3,18,6,0,4,84,144,24,0,5,300,1500,
 1200,120,0,6,930,10800,23400,10800,720,0,7,2646,
 63210,294000,352800,105840,5040,0,8,7112,324576,
 2857680,7056000,5362560,1128960,40320]

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 16 18:22 EDT 2024. Contains 371750 sequences. (Running on oeis4.)