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A166889 as a simple table

n a(n)
1 1
2 6
3 52
4 660
5 11385
6 251832
7 6842220
8 221228244
9 8311401351
10 356190316416
11 17160064580802
12 918453056609946
13 54085054802995008
14 3475794779752572784
15 242103490865991893116
16 18170143514998451547348

[1,6,52,660,11385,251832,6842220,221228244,
 8311401351,356190316416,17160064580802,
 918453056609946,54085054802995008,
 3475794779752572784,242103490865991893116,
 18170143514998451547348]

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Last modified March 29 11:14 EDT 2024. Contains 371278 sequences. (Running on oeis4.)