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A119251 as a simple table

na(n)
12
23
35
47
511
612
713
817
918
1019
1120
1223
1324
1428
1529
1631
1737
1840
1941
2043
2144
2245
2347
2448
2550
2652
2753
2854
2956
3059
3161
3263
3367
3468
3571
3673
3775
3876
3979
4080
4183
4288
4389
4492
4596
4697
4798
4899
49101
50103
51104
52107
53109
54112
55113
56116
57117
58124
59127
60131
61135
62136
63137
64139
65147

[2,3,5,7,11,12,13,17,18,19,20,23,24,28,29,31,37,
 40,41,43,44,45,47,48,50,52,53,54,56,59,61,63,67,
 68,71,73,75,76,79,80,83,88,89,92,96,97,98,99,101,
 103,104,107,109,112,113,116,117,124,127,131,135,
 136,137,139,147]