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A264726 as a simple table

n a(n)
1 1
2 2
3 3
4 12
5 69
6 278
7 2524
8 27024
9 250688
10 3721984
11 56111104
12 835883008
13 17920733184
14 437473529856
15 9120031211520
16 270263516958720

[1,2,3,12,69,278,2524,27024,250688,3721984,
 56111104,835883008,17920733184,437473529856,
 9120031211520,270263516958720]

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Last modified February 4 23:12 EST 2023. Contains 360082 sequences. (Running on oeis4.)