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A328296 as a simple table

n a(n)
0 1
1 2
2 5
3 16
4 58
5 228
6 945
7 4072
8 18078
9 82172
10 380666
11 1791138
12 8537912
13 41146988
14 200169891
15 981705400
16 4848820372
17 24098703860
18 120433164750
19 604831645542
20 3050979757728
21 15451575335362
22 78536766518038
23 400497435480332
24 2048473941706016
25 10506489209380466

[1,2,5,16,58,228,945,4072,18078,82172,380666,
 1791138,8537912,41146988,200169891,981705400,
 4848820372,24098703860,120433164750,604831645542,
 3050979757728,15451575335362,78536766518038,
 400497435480332,2048473941706016,
 10506489209380466]

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Last modified June 18 11:58 EDT 2021. Contains 345098 sequences. (Running on oeis4.)