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A064168 as a simple table

na(n)
12
25
317
437
5197
669
7503
81041
99649
109901
11111431
12113741
131506353
141532093
151556117
163157279
1754394463
1818358381
19352893319
2071354639
2124031221
2224266365
23563299563
241704771547
2542976237267
2643319457067
27392849685203
28395718022103
2911556136074187

[2,5,17,37,197,69,503,1041,9649,9901,111431,
 113741,1506353,1532093,1556117,3157279,54394463,
 18358381,352893319,71354639,24031221,24266365,
 563299563,1704771547,42976237267,43319457067,
 392849685203,395718022103,11556136074187]