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A223190 as a simple table

na(n)
116
2256
31138
420016
5252544
63407893
752906752
8807057750
912038960562
10208858564343
113119961979390

[16,256,1138,20016,252544,3407893,52906752,
 807057750,12038960562,208858564343,3119961979390]