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A118211 as a simple table

na(n)
11
21
32
46
58
640
7720
85040
98064
10120960
113628800
124435200
13479001600
142075673600
1517435658240
161307674368000
17634023936000
1810162497945600
196402373705728000
2017377871486976000
21810967336058880000

[1,1,2,6,8,40,720,5040,8064,120960,3628800,
 4435200,479001600,2075673600,17435658240,
 1307674368000,634023936000,10162497945600,
 6402373705728000,17377871486976000,
 810967336058880000]