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A293554 as a simple table

n a(n)
0 1
1 1
2 3
3 10
4 45
5 216
6 1232
7 7624
8 52215
9 385495
10 3056680
11 25825669
12 231503636
13 2191866327
14 21835650219
15 228089127908
16 2490775088645
17 28362322146780
18 336015253520857
19 4133561828779865
20 52705520063966840
21 695406327616587268
22 9480212057583970983

[1,1,3,10,45,216,1232,7624,52215,385495,3056680,
 25825669,231503636,2191866327,21835650219,
 228089127908,2490775088645,28362322146780,
 336015253520857,4133561828779865,
 52705520063966840,695406327616587268,
 9480212057583970983]

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Last modified July 27 14:41 EDT 2021. Contains 346306 sequences. (Running on oeis4.)