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A322197 as a simple table

n a(n)
0 1
1 2
2 3
3 6
4 15
5 46
6 168
7 710
8 3405
9 18270
10 108438
11 705334
12 4989075
13 38126414
14 313034088
15 2748039078
16 25685633625
17 254672239678
18 2669718010218
19 29502715813142
20 342784073066655
21 4177349457737262
22 53279132429530428
23 709785147883342726
24 9858698782067445765
25 142530638751865262366
26 2141519206261256136318
27 33391802751245681847030
28 539616796036523449056555
29 9026558167976152019922190

[1,2,3,6,15,46,168,710,3405,18270,108438,705334,
 4989075,38126414,313034088,2748039078,25685633625,
 254672239678,2669718010218,29502715813142,
 342784073066655,4177349457737262,
 53279132429530428,709785147883342726,
 9858698782067445765,142530638751865262366,
 2141519206261256136318,33391802751245681847030,
 539616796036523449056555,
 9026558167976152019922190]

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Last modified May 10 01:30 EDT 2021. Contains 343747 sequences. (Running on oeis4.)