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A248746 as a simple table

na(n)
11
22
32
44
53
66
72
83
97
1013
119
125
134
1422
1515
1626
175
183
1920
2039
214
2212
238
2451
2531
2660
2710
2818
2941
308
316
327
3314
3411
3554
36105
3716
384
3965
40121
415
4235
436
4417
4583
4610
474
4845
4997
509
51106
5248
5329
54209
5511
56221
573
5859
59133
6028
61138
6266
6338
6425
65155
66294
6743
686
69174
705

[1,2,2,4,3,6,2,3,7,13,9,5,4,22,15,26,5,3,20,39,4,
 12,8,51,31,60,10,18,41,8,6,7,14,11,54,105,16,4,65,
 121,5,35,6,17,83,10,4,45,97,9,106,48,29,209,11,
 221,3,59,133,28,138,66,38,25,155,294,43,6,174,5]