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A062868 as a simple table

n a(n)
0 1
1 1
2 2
3 4
4 14
5 46
6 282
7 1394
8 12658
9 83122
10 985730
11 8012962
12 116597538
13 1127575970
14 19410377378
15 217492266658
16 4320408974978
17 55023200887938
18 1238467679662722
19 17665859065690754
20 444247724347355554
21 7015393325151055906
22 194912434760367113570
23 3375509056735963889634

[1,1,2,4,14,46,282,1394,12658,83122,985730,
 8012962,116597538,1127575970,19410377378,
 217492266658,4320408974978,55023200887938,
 1238467679662722,17665859065690754,
 444247724347355554,7015393325151055906,
 194912434760367113570,3375509056735963889634]

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Last modified September 23 09:03 EDT 2020. Contains 337298 sequences. (Running on oeis4.)