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A144278 as a simple table

na(n)
01
12
214
3108
41180
515400
6255400
74888960
8109951360
92793984000
1079855107200
112522981120000
1287503244928000
133299660415744000
14134477619593856000
155887149103503360000
16275541626811601920000
1713727736328568199168000
18725335510624740370432000

[1,2,14,108,1180,15400,255400,4888960,109951360,
 2793984000,79855107200,2522981120000,
 87503244928000,3299660415744000,
 134477619593856000,5887149103503360000,
 275541626811601920000,13727736328568199168000,
 725335510624740370432000]