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A273694 as a simple table

na(n)
01
11
21
32
46
524
6120
7720
85040
920160
10120960
11907200
127983360
1379833600
14889574400
1510897286400
1681729648000
17871782912000
1811115232128000
19160059342643200
202534272925184000
2143444678717440000
22798295971432960000
238781255685762560000
24134645920515025920000

[1,1,1,2,6,24,120,720,5040,20160,120960,907200,
 7983360,79833600,889574400,10897286400,
 81729648000,871782912000,11115232128000,
 160059342643200,2534272925184000,
 43444678717440000,798295971432960000,
 8781255685762560000,134645920515025920000]