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A147207
as a simple table
n
a(n)
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
13
9
37
10
65
11
115
12
397
13
1335
14
4065
15
16853
16
83455
17
458373
18
2464107
19
13365801
20
84069939
21
594053347
[1,1,1,1,1,1,1,13,37,65,115,397,1335,4065,16853, 83455,458373,2464107,13365801,84069939,594053347]
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Last modified April 18 03:33 EDT 2024. Contains 371767 sequences. (Running on oeis4.)