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A158753 as a simple table

na(n)
21
34
41
511
64
71
829
911
104
111
1276
1329
1411
154
161
17199
1876
1929
2011
214
221
23521
24199
2576
2629
2711
284
291
301364
31521
32199
3376
3429
3511
364
371
383571
391364
40521
41199
4276
4329
4411
454
461
479349
483571
491364
50521
51199
5276
5329
5411
554
561
5724476
589349
593571
601364
61521
62199
6376
6429
6511
664
671

[1,4,1,11,4,1,29,11,4,1,76,29,11,4,1,199,76,29,11,
 4,1,521,199,76,29,11,4,1,1364,521,199,76,29,11,4,
 1,3571,1364,521,199,76,29,11,4,1,9349,3571,1364,
 521,199,76,29,11,4,1,24476,9349,3571,1364,521,199,
 76,29,11,4,1]