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A232664 as a simple table

n a(n)
1 1
2 1
3 2
4 4
5 16
6 56
7 408
8 2376
9 19920
10 156096
11 1711680
12 16851072
13 216434304
14 2557907712
15 38102969088

[1,1,2,4,16,56,408,2376,19920,156096,1711680,
 16851072,216434304,2557907712,38102969088]

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Last modified April 25 06:14 EDT 2024. Contains 371964 sequences. (Running on oeis4.)