A172828 - OEIS

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A172828 as a simple table

n	a(n)
1	0
2	44
3	587295
4	102738568968
5	149563116897254161
6	1295886527534643220837980
7	51948810321889380622545174356004
8	7942329340789530344493069550687020249600

[0,44,587295,102738568968,149563116897254161, 1295886527534643220837980, 51948810321889380622545174356004, 7942329340789530344493069550687020249600]