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A190658 as a simple table

n a(n)
1 1
2 1
3 3
4 8
5 38
6 252
7 2107
8 22478
9 331824
10 6625044
11 173531500
12 6026107049
13 280634679581
14 17440962165250
15 1440182982082321
16 158309818157320775
17 23213155114911168104
18 4535580909418217659991
19 1179764335891702406715256

[1,1,3,8,38,252,2107,22478,331824,6625044,
 173531500,6026107049,280634679581,17440962165250,
 1440182982082321,158309818157320775,
 23213155114911168104,4535580909418217659991,
 1179764335891702406715256]

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Last modified April 19 10:56 EDT 2024. Contains 371791 sequences. (Running on oeis4.)