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A348597 as a simple table

n a(n)
0 1
1 1
2 2
3 5
4 20
5 100
6 601
7 4207
8 33656
9 302903
10 3029030
11 33319330
12 399831961
13 5197815493
14 72769416902
15 1091541253529
16 17464660056464
17 296899220959888
18 5344185977277985
19 101539533568281715
20 2030790671365634300
21 42646604098678320299
22 938225290170923046578

[1,1,2,5,20,100,601,4207,33656,302903,3029030,
 33319330,399831961,5197815493,72769416902,
 1091541253529,17464660056464,296899220959888,
 5344185977277985,101539533568281715,
 2030790671365634300,42646604098678320299,
 938225290170923046578]

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Last modified June 4 13:10 EDT 2024. Contains 373098 sequences. (Running on oeis4.)