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A105401 as a simple table

na(n)
11
22
33
412
530
6180
7395780
856
95339880
1018448242120
111192281609186360
12180180
13393869810468558572779517216129800
142914872400440
152914872400440
16180026486640
174193048661254917704240
182640766128
1911832093494672880

[1,2,3,12,30,180,395780,56,5339880,18448242120,
 1192281609186360,180180,
 393869810468558572779517216129800,2914872400440,
 2914872400440,180026486640,4193048661254917704240,
 2640766128,11832093494672880]