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A001547 as a simple table

na(n)
08
1792
24320
312650
427840
551948
687032
7135150
8198360
9278720
10378288
11499122
12643280
13812820
141009800
151236278
161494312
171785960
182113280
192478330
202883168
213329852
223820440
234356990
244941560
255576208
266262992
277003970
287801200
298656740
309572648

[8,792,4320,12650,27840,51948,87032,135150,198360,
 278720,378288,499122,643280,812820,1009800,
 1236278,1494312,1785960,2113280,2478330,2883168,
 3329852,3820440,4356990,4941560,5576208,6262992,
 7003970,7801200,8656740,9572648]