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A239399 as a simple table

n a(n)
1 4
2 23
3 129
4 698
5 3805
6 20818
7 113774
8 621754
9 3399032
10 18582965
11 101593258
12 555419633
13 3036563927
14 16601366841
15 90762262155
16 496211843813
17 2712870511114
18 14831702705726
19 81087325012785
20 443317575022163
21 2423689199017701
22 13250702601112477
23 72443743963082659
24 396061718589309511

[4,23,129,698,3805,20818,113774,621754,3399032,
 18582965,101593258,555419633,3036563927,
 16601366841,90762262155,496211843813,
 2712870511114,14831702705726,81087325012785,
 443317575022163,2423689199017701,
 13250702601112477,72443743963082659,
 396061718589309511]

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Last modified April 25 11:39 EDT 2024. Contains 371969 sequences. (Running on oeis4.)