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A338112 as a simple table

na(n)
11
23
36
424
5120
6720
75040
840320
9362880
103628800
1139916800
12479001600
136227020800
1487178291200
151307674368000
1620922789888000
17355687428096000
186402373705728000
19121645100408832000
202432902008176640000
2151090942171709440000
221124000727777607680000

[1,3,6,24,120,720,5040,40320,362880,3628800,
 39916800,479001600,6227020800,87178291200,
 1307674368000,20922789888000,355687428096000,
 6402373705728000,121645100408832000,
 2432902008176640000,51090942171709440000,
 1124000727777607680000]