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A265476 as a simple table

na(n)
116
2366
332400
41211112
5128323584
63120703104
7589329511684
86424959359808
93010884585054784
1030416313423877920
1116127828989578410896
1278450302166015801792
1389417580553113361553664
14268486460625576403793312

[16,366,32400,1211112,128323584,3120703104,
 589329511684,6424959359808,3010884585054784,
 30416313423877920,16127828989578410896,
 78450302166015801792,89417580553113361553664,
 268486460625576403793312]