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A321399 as a simple table

n a(n)
0 1
1 1
2 2
3 3
4 6
5 17
6 70
7 401
8 2969
9 27140
10 296824
11 3805050
12 56375499
13 955491092
14 18372395618
15 397763836270
16 9625919876062
17 258564672432833
18 7659052858050807
19 248738123007194830
20 8812695551133726251
21 339191479636896892415
22 14131494196304254373334

[1,1,2,3,6,17,70,401,2969,27140,296824,3805050,
 56375499,955491092,18372395618,397763836270,
 9625919876062,258564672432833,7659052858050807,
 248738123007194830,8812695551133726251,
 339191479636896892415,14131494196304254373334]

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Last modified April 25 13:12 EDT 2024. Contains 371969 sequences. (Running on oeis4.)