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A012715 as a simple table

n a(n)
0 0
1 1
2 2
3 6
4 24
5 160
6 1120
7 9296
8 79744
9 791232
10 8303488
11 98662784
12 1234416128
13 17090231808
14 247660907520
15 3911062116352
16 64395491606528
17 1142963925405696
18 21081499860049920
19 415641154415091712

[0,1,2,6,24,160,1120,9296,79744,791232,8303488,
 98662784,1234416128,17090231808,247660907520,
 3911062116352,64395491606528,1142963925405696,
 21081499860049920,415641154415091712]

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Last modified July 15 19:27 EDT 2024. Contains 374334 sequences. (Running on oeis4.)