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A147288 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 5
6 13
7 29
8 101
9 617
10 3357
11 20865
12 140793
13 1290919
14 15614005
15 229745285
16 3898534669

[1,1,1,1,5,13,29,101,617,3357,20865,140793,
 1290919,15614005,229745285,3898534669]

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Last modified November 28 13:21 EST 2021. Contains 349409 sequences. (Running on oeis4.)