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A147480
as a simple table
n
a(n)
1
1
2
1
3
1
4
1
5
1
6
9
7
21
8
73
9
310
10
1107
11
5232
12
33319
13
240772
14
2106289
15
21011261
16
262231181
17
3633528079
18
62517538899
[1,1,1,1,1,9,21,73,310,1107,5232,33319,240772, 2106289,21011261,262231181,3633528079,62517538899]
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Last modified April 23 11:27 EDT 2024. Contains 371913 sequences. (Running on oeis4.)
