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A109800 as a simple table

na(n)
12
23
37
49
533
661
793
8112
9284
10615
111293
122558
132925
145961
156454
167960
1717521
1840838

[2,3,7,9,33,61,93,112,284,615,1293,2558,2925,5961,
 6454,7960,17521,40838]