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A172541 as a simple table

na(n)
10
20
30
40
50
60
71
840320
914398171200
108302816499443200
117722015017013984456000
1211649337108041078980732943360
1328278447454165011203551734584421120
14108738182111446498614705217754614976371200

[0,0,0,0,0,0,1,40320,14398171200,8302816499443200,
 7722015017013984456000,
 11649337108041078980732943360,
 28278447454165011203551734584421120,
 108738182111446498614705217754614976371200]