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A355127 as a simple table

na(n)
11
212
3200
42880
537680
6455224
75186888
856471040
9593296160
106057160296
1160407414256
12590807590672
135684125083000
1453924502344880
15505415790232592
164687367714152128
1743070861665247616
18392532002390446600
193551337773634149120
2031920035670120464496

[1,12,200,2880,37680,455224,5186888,56471040,
 593296160,6057160296,60407414256,590807590672,
 5684125083000,53924502344880,505415790232592,
 4687367714152128,43070861665247616,
 392532002390446600,3551337773634149120,
 31920035670120464496]