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A378234 as a simple table

na(n)
040
15000
2472500
343218000
44148928000
5432081216000
649509306000000
76275893932000000
8881135508052800000
9136878615942868800000
1023474682634201999200000
114432282735129048800000000
12918537831584839065600000000
13208281986149676045967360000000
1451516317681413623440962560000000

[40,5000,472500,43218000,4148928000,432081216000,
 49509306000000,6275893932000000,
 881135508052800000,136878615942868800000,
 23474682634201999200000,4432282735129048800000000,
 918537831584839065600000000,
 208281986149676045967360000000,
 51516317681413623440962560000000]