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A321415
as a simple table
n
a(n)
1
0
2
2
3
2
4
10
5
2
6
64
7
2
8
330
9
1028
10
2010
11
2
12
24216
13
2
14
77528
15
964696
16
490314
17
2
18
11437750
19
2
20
21390330
[0,2,2,10,2,64,2,330,1028,2010,2,24216,2,77528, 964696,490314,2,11437750,2,21390330]
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Last modified July 14 20:49 EDT 2024. Contains 374323 sequences. (Running on oeis4.)