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A301327 as a simple table

n a(n)
1 1
2 13
3 25
4 143
5 664
6 2520
7 12342
8 59524
9 283455
10 1368684
11 6584582
12 31757409
13 153111198
14 738871291
15 3563886998
16 17195977666
17 82965273154
18 400306670558
19 1931473330672
20 9319427371662
21 44966629489185
22 216966438878737

[1,13,25,143,664,2520,12342,59524,283455,1368684,
 6584582,31757409,153111198,738871291,3563886998,
 17195977666,82965273154,400306670558,
 1931473330672,9319427371662,44966629489185,
 216966438878737]

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)