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A247175 as a simple table

na(n)
10
21
32
47
523
647
798
8208
9268
10278
11352
12422
13712
14803
15833
16887
171022
181048
191052
201057
211297
221372
231517
241603
251657
261717
271748
281888
291988
302102
312207
322233
332357
342548
352567
362753
372828
382893
392938
403017
413362
423367
433572
443817
453908
464247
474268
484312
494403
504408
514412
524478

[0,1,2,7,23,47,98,208,268,278,352,422,712,803,833,
 887,1022,1048,1052,1057,1297,1372,1517,1603,1657,
 1717,1748,1888,1988,2102,2207,2233,2357,2548,2567,
 2753,2828,2893,2938,3017,3362,3367,3572,3817,3908,
 4247,4268,4312,4403,4408,4412,4478]