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A306187 as a simple table

n a(n)
0 1
1 1
2 3
3 10
4 65
5 371
6 3780
7 33552
8 472971
9 5736082
10 97047819
11 1547576394
12 32992294296
13 626527881617
14 15202246707840
15 352290010708120
16 9970739854456849
17 262225912049078193
18 8309425491887714632
19 250946978120046026219
20 8898019305511325083149

[1,1,3,10,65,371,3780,33552,472971,5736082,
 97047819,1547576394,32992294296,626527881617,
 15202246707840,352290010708120,9970739854456849,
 262225912049078193,8309425491887714632,
 250946978120046026219,8898019305511325083149]

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Last modified March 29 09:44 EDT 2024. Contains 371268 sequences. (Running on oeis4.)