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A260718 as a simple table

na(n)
12
23
33
45
55
64
77
87
97
105
1111
1211
1311
149
156
1613
1713
1813
1913
2011
217
2217
2317
2417
2517
2617
2713
288
2923
3023
3123
3223
3323
3419
3515
369
3725
3825
3925
4025
4125
4225
4323
4417
4510
4629
4729
4829
4929
5029
5129
5229
5325
5419
5511
5637
5737
5837
5937
6037
6137
6237
6331
6429
6521
6612
6741
6841
6941
7041
7141
7241
7341
7441
7537
7631
7723
7813
7943
8043
8143
8243
8343
8443
8543
8643
8743
8841
8935
9025
9114

[2,3,3,5,5,4,7,7,7,5,11,11,11,9,6,13,13,13,13,11,
 7,17,17,17,17,17,13,8,23,23,23,23,23,19,15,9,25,
 25,25,25,25,25,23,17,10,29,29,29,29,29,29,29,25,
 19,11,37,37,37,37,37,37,37,31,29,21,12,41,41,41,
 41,41,41,41,41,37,31,23,13,43,43,43,43,43,43,43,
 43,43,41,35,25,14]