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A121057 as a simple table

n a(n)
1 1
2 3
3 9
4 10
5 50
6 250
7 21
8 147
9 1029
10 7203
11 55
12 605
13 6655
14 73205
15 805255
16 78
17 1014
18 13182
19 171366
20 2227758
21 28960854
22 136
23 2312
24 39304
25 668168
26 11358856
27 193100552
28 3282709384
29 171
30 3249
31 61731
32 1172889
33 22284891
34 423412929
35 8044845651

[1,3,9,10,50,250,21,147,1029,7203,55,605,6655,
 73205,805255,78,1014,13182,171366,2227758,
 28960854,136,2312,39304,668168,11358856,193100552,
 3282709384,171,3249,61731,1172889,22284891,
 423412929,8044845651]

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Last modified June 4 01:24 EDT 2020. Contains 334808 sequences. (Running on oeis4.)