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A167143 as a simple table

n a(n)
0 1
1 3
2 9
3 43
4 312
5 3121
6 39616
7 602135
8 10547538
9 207620746
10 4514623895
11 107150379369
12 2751648614456
13 75953000041971
14 2241736112814551
15 70446370941793711
16 2348550874184397643
17 82802885494751780415

[1,3,9,43,312,3121,39616,602135,10547538,
 207620746,4514623895,107150379369,2751648614456,
 75953000041971,2241736112814551,70446370941793711,
 2348550874184397643,82802885494751780415]

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Last modified October 16 09:02 EDT 2021. Contains 348041 sequences. (Running on oeis4.)