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A007019 as a simple table

na(n)
01
13
230
3630
422680
51247400
697297200
710216206000
81389404016000
9237588086736000
1049893498214560000
1112623055048283680000
123786916514485104000000
131329207696584271504000000
14539658324813214230624000000
15250941121038144617240160000000
16132496911908140357902804480000000

[1,3,30,630,22680,1247400,97297200,10216206000,
 1389404016000,237588086736000,49893498214560000,
 12623055048283680000,3786916514485104000000,
 1329207696584271504000000,
 539658324813214230624000000,
 250941121038144617240160000000,
 132496911908140357902804480000000]