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A082526 as a simple table

na(n)
01
11
21
32
43
512
640
7120
82520
95040
1010080
115040
1219958400
1319958400
14259459200
15518918400
162179457280
174358914560
181235025792000
193705077376000
20422378820864000
2152797352608000
22120679663104000
23844757641728000

[1,1,1,2,3,12,40,120,2520,5040,10080,5040,
 19958400,19958400,259459200,518918400,2179457280,
 4358914560,1235025792000,3705077376000,
 422378820864000,52797352608000,120679663104000,
 844757641728000]