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A227429
as a simple table
n
a(n)
1
1
2
3
3
4
4
12
5
21
6
39
7
91
8
156
9
381
10
1668
11
3292
12
4541
13
6515
14
12927
15
49492
16
72412
17
100595
18
158708
[1,3,4,12,21,39,91,156,381,1668,3292,4541,6515, 12927,49492,72412,100595,158708]
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Last modified April 25 04:42 EDT 2024. Contains 371964 sequences. (Running on oeis4.)