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A049389 as a simple table

na(n)
01
19
290
3990
411880
5154440
62162160
732432400
8518918400
98821612800
10158789030400
113016991577600
1260339831552000
131267136462592000
1427877002177024000
15641171050071552000
1615388105201717248000
17384702630042931200000
1810002268381116211200000

[1,9,90,990,11880,154440,2162160,32432400,
 518918400,8821612800,158789030400,3016991577600,
 60339831552000,1267136462592000,27877002177024000,
 641171050071552000,15388105201717248000,
 384702630042931200000,10002268381116211200000]