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!)

A266488 as a simple table

n a(n)
0 1
1 1
2 0
3 1
4 4
5 0
6 1
7 12
8 42
9 0
10 1
11 24
12 216
13 752
14 0
15 1
16 40
17 660
18 5440
19 19360
20 0
21 1
22 60
23 1560
24 22320
25 178920
26 654912
27 0
28 1
29 84
30 3150
31 68320
32 916440
33 7316064
34 27546736
35 0
36 1
37 112
38 5712
39 173600
40 3432800
41 44693376
42 359051392
43 1388207872
44 0
45 1
46 144
47 9576
48 387072
49 10493280
50 197261568
51 2536797312
52 20605529088
53 81621893376
54 0
55 1
56 180
57 15120
58 782880
59 27735120
60 702777600
61 12845683200
62 164732083200
63 1355581612800
64 5488951731200
65 0

[1,1,0,1,4,0,1,12,42,0,1,24,216,752,0,1,40,660,
 5440,19360,0,1,60,1560,22320,178920,654912,0,1,84,
 3150,68320,916440,7316064,27546736,0,1,112,5712,
 173600,3432800,44693376,359051392,1388207872,0,1,
 144,9576,387072,10493280,197261568,2536797312,
 20605529088,81621893376,0,1,180,15120,782880,
 27735120,702777600,12845683200,164732083200,
 1355581612800,5488951731200,0]

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 11:14 EDT 2024. Contains 371791 sequences. (Running on oeis4.)