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A131444 as a simple table

na(n)
11
22
32
412
560
660
7280
840320
922680
103628800
111900800
12479001600
136227020800
146227020800
151307674368000
161307674368000
1713680285696000
18582033973248000
1924329020081766400
202432902008176640000

[1,2,2,12,60,60,280,40320,22680,3628800,1900800,
 479001600,6227020800,6227020800,1307674368000,
 1307674368000,13680285696000,582033973248000,
 24329020081766400,2432902008176640000]