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A014070 as a simple table

n a(n)
0 1
1 2
2 6
3 56
4 1820
5 201376
6 74974368
7 94525795200
8 409663695276000
9 6208116950265950720
10 334265867498622145619456
11 64832175068736596027448301568
12 45811862025512780638750907861652480
13 119028707533461499951701664512286557511680 

[1,2,6,56,1820,201376,74974368,94525795200,
 409663695276000,6208116950265950720,
 334265867498622145619456,
 64832175068736596027448301568,
 45811862025512780638750907861652480,
 119028707533461499951701664512286557511680]

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Last modified May 2 23:14 EDT 2024. Contains 372203 sequences. (Running on oeis4.)