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A047075 as a simple table

na(n)
00
11
23
34
49
512
613
728
837
940
1041
1190
12118
13127
14130
15131
16297
17387
18415
19424
20427
21428
221001
231298
241388
251416
261425
271428
281429
293432
304433
314730
324820
334848
344857
354860
364861
3711934
3815366
3916367
4016664
4116754
4216782
4316791

[0,1,3,4,9,12,13,28,37,40,41,90,118,127,130,131,
 297,387,415,424,427,428,1001,1298,1388,1416,1425,
 1428,1429,3432,4433,4730,4820,4848,4857,4860,4861,
 11934,15366,16367,16664,16754,16782,16791]