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A330659
as a simple table
n
a(n)
0
1
1
1
2
1
3
1
4
3
5
4
6
12
7
27
8
78
9
208
10
637
11
1870
12
5797
13
17866
14
56237
15
177573
16
566904
17
1818527
18
5874180
19
19065038
[1,1,1,1,3,4,12,27,78,208,637,1870,5797,17866, 56237,177573,566904,1818527,5874180,19065038]
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Last modified April 19 14:10 EDT 2024. Contains 371792 sequences. (Running on oeis4.)