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A117481 formatted as a simple table:

n a(n)
0 1
1 2
2 6
3 12
4 60
5 30
6 210
7 56
8 504
9 5040
10 55440
11 132
12 1716
13 182
14 2730
15 43680
16 742560
17 306
18 5814
19 380
20 7980
21 175560
22 4037880
23 552
24 13800
25 358800
26 9687600
27 271252800
28 7866331200
29 870
30 26970
31 992
32 32736
33 1113024
34 38955840
35 1401410240
36 51889178880

[1,2,6,12,60,30,210,56,504,5040,55440,132,1716,
 182,2730,43680,742560,306,5814,380,7980,175560,
 4037880,552,13800,358800,9687600,271252800,
 7866331200,870,26970,992,32736,1113024,38955840,
 1401410240,51889178880]

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Last modified December 9 18:50 EST 2009. Contains 170568 sequences.


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