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A132473 as a simple table

na(n)
01
12
24
330
4384
57300
6186620
76046600
8239321824
911283624600
10622168133880
1139555748796080
122867144894306352
13234743115413228864
1421539307881356682144
152200021023571489017104
16248656258771528223642624

[1,2,4,30,384,7300,186620,6046600,239321824,
 11283624600,622168133880,39555748796080,
 2867144894306352,234743115413228864,
 21539307881356682144,2200021023571489017104,
 248656258771528223642624]