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A062260 as a simple table

na(n)
01
121
2336
35040
475600
51164240
618627840
7311351040
85448643200
999891792000
101917922406400
1138532804710400
12809188898918400
1317739910476288000
14405483668029440000
159650511299100672000

[1,21,336,5040,75600,1164240,18627840,311351040,
 5448643200,99891792000,1917922406400,
 38532804710400,809188898918400,17739910476288000,
 405483668029440000,9650511299100672000]