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A069723 as a simple table

na(n)
11
22
312
480
5560
64032
729568
8219648
91647360
1012446720
1194595072
12722362368
135538111488
1442600857600
15328635187200
162541445447680
1719696202219520
18152935217233920
191189496134041600
209265548833587200
2172271280901980160
22564404288948797440
234412615349963325440

[1,2,12,80,560,4032,29568,219648,1647360,12446720,
 94595072,722362368,5538111488,42600857600,
 328635187200,2541445447680,19696202219520,
 152935217233920,1189496134041600,9265548833587200,
 72271280901980160,564404288948797440,
 4412615349963325440]