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A067370 as a simple table

na(n)
10
21
33
424
5160
61290
711046
8106848
91117152
1012849840
11159089040
122132602560
1330554297280
14468754715520
157634862748800
16132058767052800
172410986506342400
1846443330717235200
19939668036761036800
2019955747250238464000
21443271664862659584000
2210290986066890045440000

[0,1,3,24,160,1290,11046,106848,1117152,12849840,
 159089040,2132602560,30554297280,468754715520,
 7634862748800,132058767052800,2410986506342400,
 46443330717235200,939668036761036800,
 19955747250238464000,443271664862659584000,
 10290986066890045440000]