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A145565 as a simple table

na(n)
01
14
236
3720
425200
510800
65821200
7302702400
8908107200
915437822400
103226504881600
11248192683200
12964724959598400
13964724959598400
141607874932664000
15186513492189024000
1698292610383615648000
171605505432763232000
1816808036375598275808000
19124379469179427240979200

[1,4,36,720,25200,10800,5821200,302702400,
 908107200,15437822400,3226504881600,248192683200,
 964724959598400,964724959598400,1607874932664000,
 186513492189024000,98292610383615648000,
 1605505432763232000,16808036375598275808000,
 124379469179427240979200]