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A053960 as a simple table

na(n)
12
23
37
48
5212
6264
72236
83114
93157
1031614
1168187
12254842
1380434114
14263527313
153073591864
166670791907
1721134016762
1821610059386
1997312381892
2022237232291063
21999997323321167445187
2222236561446627600040614
239718263579193026119075264

[2,3,7,8,212,264,2236,3114,3157,31614,68187,
 254842,80434114,263527313,3073591864,6670791907,
 21134016762,21610059386,97312381892,
 22237232291063,999997323321167445187,
 22236561446627600040614,9718263579193026119075264]