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A315972 as a simple table

na(n)
01
16
29
313
420
525
627
732
840
944
1045
1151
1260
1363
1463
1570
1680
1782
1881
1989
20100
21101
2299
23108
24120
25120
26117
27127
28140
29139
30135
31146
32160
33158
34153
35165
36180
37177
38171
39184
40200
41196
42189
43203
44220
45215
46207
47222
48240
49234

[1,6,9,13,20,25,27,32,40,44,45,51,60,63,63,70,80,
 82,81,89,100,101,99,108,120,120,117,127,140,139,
 135,146,160,158,153,165,180,177,171,184,200,196,
 189,203,220,215,207,222,240,234]