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A331684
as a simple table
n
a(n)
1
1
2
1
3
2
4
3
5
6
6
14
7
30
8
68
9
157
10
379
11
901
12
2229
13
5488
14
13846
15
34801
16
89368
17
228186
18
592943
19
1533511
20
4026833
[1,1,2,3,6,14,30,68,157,379,901,2229,5488,13846, 34801,89368,228186,592943,1533511,4026833]
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Last modified May 9 19:33 EDT 2024. Contains 372354 sequences. (Running on oeis4.)