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A004993 as a simple table

n a(n)
0 1
1 6
2 126
3 3276
4 93366
5 2800980
6 86830380
7 2753763480
8 88808872230
9 2901089826180
10 95735964263940
11 3185396629145640
12 106710787076378940
13 3595332672265690440
14 121727691903852662040
15 4138741524730990509360

[1,6,126,3276,93366,2800980,86830380,2753763480,
 88808872230,2901089826180,95735964263940,
 3185396629145640,106710787076378940,
 3595332672265690440,121727691903852662040,
 4138741524730990509360]

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Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)