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A246599 as a simple table

na(n)
310
4840
5257040
6137214000
7118248530400
8154686980448000
9292276881344448000
10766864651478365440000
112706292794907249067520000
1212512021073989410699165440000
1374128448237031250090060032000000
14552320243355746711191770103680000000
155092467146398443040845772685937408000000

[10,840,257040,137214000,118248530400,
 154686980448000,292276881344448000,
 766864651478365440000,2706292794907249067520000,
 12512021073989410699165440000,
 74128448237031250090060032000000,
 552320243355746711191770103680000000,
 5092467146398443040845772685937408000000]