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A038806 as a simple table

n a(n)
0 0
1 1
2 10
3 69
4 406
5 2186
6 11124
7 54445
8 259006
9 1205790
10 5519020
11 24918306
12 111250140
13 492051124
14 2159081192
15 9409526397
16 40766269774
17 175707380630
18 753876367356
19 3221460111958
20 13716223138388
21 58210889582796

[0,1,10,69,406,2186,11124,54445,259006,1205790,
 5519020,24918306,111250140,492051124,2159081192,
 9409526397,40766269774,175707380630,753876367356,
 3221460111958,13716223138388,58210889582796]

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Last modified May 14 04:12 EDT 2021. Contains 343872 sequences. (Running on oeis4.)