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A322782 as a simple table

na(n)
01
11
24
336
4720
523400
61123200
774440800
86509318400
9725829724800
10100511918784000
1116922530756454400
123404178048774758400
13806369627582929612800
14222159405758654317363200
1570435689828806256514560000
1625463217531292911649057996800
1710411540182139235537714555289600

[1,1,4,36,720,23400,1123200,74440800,6509318400,
 725829724800,100511918784000,16922530756454400,
 3404178048774758400,806369627582929612800,
 222159405758654317363200,
 70435689828806256514560000,
 25463217531292911649057996800,
 10411540182139235537714555289600]