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A109873 as a simple table

n a(n)
1 1
2 1
3 1
4 6
5 4
6 125
7 225
8 336140
9 2458624
10 324060912
11 8930250000
12 835597712998125
13 9001015156742400
14 6600661714966989472803
15 68987440762943255933340961
16 28036608657071518646200652343750
17 377177413291384771899817984000000

[1,1,1,6,4,125,225,336140,2458624,324060912,
 8930250000,835597712998125,9001015156742400,
 6600661714966989472803,68987440762943255933340961,
 28036608657071518646200652343750,
 377177413291384771899817984000000]

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Last modified April 25 11:39 EDT 2024. Contains 371969 sequences. (Running on oeis4.)