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A146420 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 5
6 13
7 29
8 109
9 438
10 2055
11 12862
12 88991
13 791639
14 8191225
15 106776687
16 1583975637
17 29823226111
18 639792465701 

[1,1,1,1,5,13,29,109,438,2055,12862,88991,791639,
 8191225,106776687,1583975637,29823226111,
 639792465701]

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Last modified April 18 12:49 EDT 2024. Contains 371780 sequences. (Running on oeis4.)