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A162743 as a simple table

na(n)
01
16
230
3135
4600
52640
611610
751000
8224040
9984060
104322400
1118985440
1283390760
13366280800
141608831840
157066542960
1631038691200
17136332618240
18598819808160
192630222793600
2011552844224640
2150744069991360

[1,6,30,135,600,2640,11610,51000,224040,984060,
 4322400,18985440,83390760,366280800,1608831840,
 7066542960,31038691200,136332618240,598819808160,
 2630222793600,11552844224640,50744069991360]