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A172628 as a simple table

n a(n)
1 0
2 0
3 0
4 24
5 111920
6 2030271480
7 91358224634433
8 9350902053107858880
9 2018328183128437950016800
10 859819730886010540636567920000
11 682948436592331311886782349445512800 

[0,0,0,24,111920,2030271480,91358224634433,
 9350902053107858880,2018328183128437950016800,
 859819730886010540636567920000,
 682948436592331311886782349445512800]

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Last modified April 25 12:33 EDT 2024. Contains 371969 sequences. (Running on oeis4.)