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A217375 as a simple table

na(n)
10
20
30
40
50
60
70
80
90
108
1140
12168
13604
142076
157320
1626132
1793352
18333992
191199716
204329180

[0,0,0,0,0,0,0,0,0,8,40,168,604,2076,7320,26132,
 93352,333992,1199716,4329180]