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A049183 as a simple table

n a(n)
1 1
2 1
3 3
4 11
5 45
6 195
7 885
8 4151
9 19963
10 97899
11 487717
12 2461393
13 12557439
14 64657461
15 335562499
16 1753538133
17 9218852525
18 48725353661
19 258759350495
20 1380021781719
21 7388261669161
22 39692491630271
23 213918652593929

[1,1,3,11,45,195,885,4151,19963,97899,487717,
 2461393,12557439,64657461,335562499,1753538133,
 9218852525,48725353661,258759350495,1380021781719,
 7388261669161,39692491630271,213918652593929]

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Last modified November 29 14:14 EST 2020. Contains 338769 sequences. (Running on oeis4.)