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A137984 as a simple table

n a(n)
0 1
1 2
2 8
3 44
4 304
5 2572
6 26720
7 347832
8 5857280
9 132320524
10 4142751104
11 183830444712
12 11695392882688
13 1070962802526776
14 141154845280097280
15 26736918028187247344
16 7263732704774358982656
17 2824813896305950802751372

[1,2,8,44,304,2572,26720,347832,5857280,132320524,
 4142751104,183830444712,11695392882688,
 1070962802526776,141154845280097280,
 26736918028187247344,7263732704774358982656,
 2824813896305950802751372]

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Last modified April 12 19:05 EDT 2024. Contains 371636 sequences. (Running on oeis4.)