A079478 - OEIS

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A079478 as a simple table

n	a(n)
0	1
1	2
2	72
3	172800
4	60963840000
5	5574884681318400000
6	205619158526859285626880000000
7	4394314874750658447092552646524928000000000
8	73955304765761130113502867875624106401967636480000000000000

[1,2,72,172800,60963840000,5574884681318400000, 205619158526859285626880000000, 4394314874750658447092552646524928000000000, 73955304765761130113502867875624106401967636480000\ 000000000]