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A219417 as a simple table

na(n)
11
27
393
43617
5372560
6104434119
780311501599
8170240798669115
9992546861505827096
1015854777538297903063593

[1,7,93,3617,372560,104434119,80311501599,
 170240798669115,992546861505827096,
 15854777538297903063593]