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A163688 as a simple table

n a(n)
1 1
2 13
3 83
4 389
5 1561
6 5808
7 21608
8 81280
9 302869
10 1103582
11 3937976
12 13827871
13 47923048
14 164209208

[1,13,83,389,1561,5808,21608,81280,302869,1103582,
 3937976,13827871,47923048,164209208]

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Last modified February 1 16:06 EST 2023. Contains 359993 sequences. (Running on oeis4.)