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A271497 as a simple table

na(n)
00
12
23
31
45
59
62
714
89
93
1015
1121
124
1321
1421
155
1617
1727
186
1935
2027
217
2235
2345
248
2535
2635
279
2835
2945
3010
3162
3233
3311
3451
3563
3612
3763
3863
3913
4051
4163
4214
4375
4463
4515
4675
4793
4816
4963
5063
5117
5263
5375
5418
5593
5663
5719
5875
5993
6020
6193
6293
6321
6465
6599
6622
67119
6899
6923
70119
71135
7224
73119
74119
7525
76119
77135

[0,2,3,1,5,9,2,14,9,3,15,21,4,21,21,5,17,27,6,35,
 27,7,35,45,8,35,35,9,35,45,10,62,33,11,51,63,12,
 63,63,13,51,63,14,75,63,15,75,93,16,63,63,17,63,
 75,18,93,63,19,75,93,20,93,93,21,65,99,22,119,99,
 23,119,135,24,119,119,25,119,135]