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A067550 as a simple table

na(n)
11
22
310
490
51260
625200
7680400
823814000
91047816000
1056582064000
113677834160000
12283193230320000
1325487390728800000
142650688635795200000
15315431947659628800000
1642583312934049888000000
176472663565975582976000000
181100352806215849105920000000

[1,2,10,90,1260,25200,680400,23814000,1047816000,
 56582064000,3677834160000,283193230320000,
 25487390728800000,2650688635795200000,
 315431947659628800000,42583312934049888000000,
 6472663565975582976000000,
 1100352806215849105920000000]