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A123750 as a simple table

n a(n)
1 1
2 4
3 17
4 94
5 667
6 5752
7 58053
8 669970
9 8698991
10 125499820
11 1991637529
12 34479906886
13 646671878595
14 13061304372448
15 282652185684845
16 6524494505342842
17 160018549741811479
18 4155443426929596436
19 113905714869793400001
20 3286624199431263921838

[1,4,17,94,667,5752,58053,669970,8698991,
 125499820,1991637529,34479906886,646671878595,
 13061304372448,282652185684845,6524494505342842,
 160018549741811479,4155443426929596436,
 113905714869793400001,3286624199431263921838]

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Last modified August 17 08:02 EDT 2022. Contains 356184 sequences. (Running on oeis4.)