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A020029 as a simple table

n a(n)
0 1
1 1
2 2
3 5
4 18
5 85
6 499
7 3422
8 26889
9 238158
10 2347553
11 25487720
12 302211543
13 3885576978
14 53842995268
15 799953072548
16 12684970150411
17 213832353964067
18 3818434892215474
19 72004772253206073
20 1429809049027949160

[1,1,2,5,18,85,499,3422,26889,238158,2347553,
 25487720,302211543,3885576978,53842995268,
 799953072548,12684970150411,213832353964067,
 3818434892215474,72004772253206073,
 1429809049027949160]

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Last modified July 29 23:58 EDT 2021. Contains 346346 sequences. (Running on oeis4.)