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A098115 as a simple table

na(n)
12
23
34
47
510
65
712
815
912
1028
116
126
1331
1412
1547
1629
1723
1832
1933
2024
2140
2228
2312
2435
2534
2656
2717
2836
2940
30123
3157
3261
339
3499
3594
36132
37158
38172
3923
4043
4189
42186
43196
44194
45203
46157
47205
4862
4932
5026
5176
52105
5365
5445
55177
5656
57278

[2,3,4,7,10,5,12,15,12,28,6,6,31,12,47,29,23,32,
 33,24,40,28,12,35,34,56,17,36,40,123,57,61,9,99,
 94,132,158,172,23,43,89,186,196,194,203,157,205,
 62,32,26,76,105,65,45,177,56,278]