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A023942 as a simple table

na(n)
01
10
217400
3645120
48699640
564266240
6334145760
71327902720
84450873080
912747325440
1033162177744
1177585418240
12171110020320
13348920586240
14685157000640
151264980234240
162278793539320
173901915054080

[1,0,17400,645120,8699640,64266240,334145760,
 1327902720,4450873080,12747325440,33162177744,
 77585418240,171110020320,348920586240,
 685157000640,1264980234240,2278793539320,
 3901915054080]