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A076822 as a simple table

n a(n)
0 1
1 1
2 1
3 2
4 5
5 12
6 32
7 94
8 289
9 910
10 2934
11 9686
12 32540
13 110780
14 381676
15 1328980
16 4669367
17 16535154
18 58965214
19 211591218
20 763535450
21 2769176514
22 10089240974
23 36912710568
24 135565151486
25 499619269774
26 1847267563742
27 6850369296298

[1,1,1,2,5,12,32,94,289,910,2934,9686,32540,
 110780,381676,1328980,4669367,16535154,58965214,
 211591218,763535450,2769176514,10089240974,
 36912710568,135565151486,499619269774,
 1847267563742,6850369296298]

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Last modified April 23 11:21 EDT 2024. Contains 371913 sequences. (Running on oeis4.)