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A262319 as a simple table

na(n)
12
23
33
45
55
65
710
89
99
1010
1119
1227
1317
1427
1519
1637
1761
18133
19133
2061
2137
2274
23145
24361
251618
26361
27145
2874
29147
30435
311009
326043
336043
341009
35435
36147
37293
381253
398357
4042661
4137873
4242661
438357
441253
45293
46586
473593
4833993
49683218
50413893
51413893
52683218

[2,3,3,5,5,5,10,9,9,10,19,27,17,27,19,37,61,133,
 133,61,37,74,145,361,1618,361,145,74,147,435,1009,
 6043,6043,1009,435,147,293,1253,8357,42661,37873,
 42661,8357,1253,293,586,3593,33993,683218,413893,
 413893,683218]