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A114498 as a simple table

n a(n)
0 1
1 4
2 3432
3 50160
4 54035520
5 1284433920
6 456335953920
7 8825233697280
8 641668847339520
9 227019837729484800
10 28897358537888096256
11 2600752842642898944
12 34366074253507451879424
13 132424388815310703820800

[1,4,3432,50160,54035520,1284433920,456335953920,
 8825233697280,641668847339520,227019837729484800,
 28897358537888096256,2600752842642898944,
 34366074253507451879424,132424388815310703820800]

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Last modified December 6 01:46 EST 2021. Contains 349558 sequences. (Running on oeis4.)