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A058161 as a simple table

na(n)
11
21
31
43
56
660
7120
81260
96720
1090720
11362880
129979200
1339916800
141037836800
1510897286400
16163459296000
171307674368000
1859281238016000
19355687428096000
2015205637551104000
21202741834014720000
225109094217170944000
2351090942171709440000

[1,1,1,3,6,60,120,1260,6720,90720,362880,9979200,
 39916800,1037836800,10897286400,163459296000,
 1307674368000,59281238016000,355687428096000,
 15205637551104000,202741834014720000,
 5109094217170944000,51090942171709440000]