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A166585 as a simple table

na(n)
01
117
2272
34352
469632
51114112
617825792
7285212672
84563402752
973014444032
101168231104512
1118691697672192
12299067162754936
134785074604076800
1476561193665194120
151224979098642551040
1619599665578271938560

[1,17,272,4352,69632,1114112,17825792,285212672,
 4563402752,73014444032,1168231104512,
 18691697672192,299067162754936,4785074604076800,
 76561193665194120,1224979098642551040,
 19599665578271938560]