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A209109 as a simple table

n a(n)
1 1
2 3
3 5
4 22
5 63
6 238
7 865
8 3417
9 13607
10 55669
11 230581
12 968550
13 4108547
14 17589348
15 75872175
16 329480644
17 1439151627
18 6318822750
19 27872030921
20 123452835089 

[1,3,5,22,63,238,865,3417,13607,55669,230581,
 968550,4108547,17589348,75872175,329480644,
 1439151627,6318822750,27872030921,123452835089]

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Last modified September 17 14:17 EDT 2024. Contains 375987 sequences. (Running on oeis4.)