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A156454 as a simple table

n a(n)
3 2
4 22
5 48
6 1568
7 9108
8 459944
9 3924896
10 332810880
11 3867308971
12 659368209568
13 11298978667872
14 4499416656998240

[2,22,48,1568,9108,459944,3924896,332810880,
 3867308971,659368209568,11298978667872,
 4499416656998240]

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Last modified April 25 13:01 EDT 2024. Contains 371969 sequences. (Running on oeis4.)