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A002885
as a simple table
n
a(n)
0
1
1
1
2
0
3
1
4
0
5
0
6
1
7
2
8
0
9
4
10
7
11
0
12
12
13
8
14
0
15
80
16
84
17
0
18
820
19
798
20
0
21
9508
22
11616
23
0
24
157340
25
139828
26
0
27
3027456
28
2353310
[1,1,0,1,0,0,1,2,0,4,7,0,12,8,0,80,84,0,820,798,0, 9508,11616,0,157340,139828,0,3027456,2353310]
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Last modified September 15 15:59 EDT 2024. Contains 375938 sequences. (Running on oeis4.)