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A052593 as a simple table

na(n)
01
11
22
36
448
5360
62880
725200
8282240
93628800
1050803200
11758419200
1212454041600
13224172748800
144358914560000
1590229531392000
161987665039360000
1746595053080576000
181158829640736768000
1930411275102208000000
20839351192820940800000
2124319288473733693440000

[1,1,2,6,48,360,2880,25200,282240,3628800,
 50803200,758419200,12454041600,224172748800,
 4358914560000,90229531392000,1987665039360000,
 46595053080576000,1158829640736768000,
 30411275102208000000,839351192820940800000,
 24319288473733693440000]