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A090757
as a simple table
n
a(n)
0
1
1
3
2
8
3
20
4
49
5
119
6
288
7
696
8
1681
9
4059
10
9800
11
23660
12
57121
13
137903
14
332928
[1,3,8,20,49,119,288,696,1681,4059,9800,23660, 57121,137903,332928]
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Last modified September 19 09:52 EDT 2024. Contains 376008 sequences. (Running on oeis4.)