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A151944
as a simple table
n
a(n)
1
0
2
1
3
1
4
2
5
6
6
2
7
3
8
21
9
21
10
3
11
4
12
36
13
31
14
36
15
4
16
5
17
55
18
53
19
53
20
55
21
5
22
6
23
80
24
84
25
80
26
84
27
80
28
6
29
7
30
108
[0,1,1,2,6,2,3,21,21,3,4,36,31,36,4,5,55,53,53,55, 5,6,80,84,80,84,80,6,7,108]
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Last modified April 19 23:15 EDT 2024. Contains 371798 sequences. (Running on oeis4.)