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A069521 as a simple table

na(n)
12
22
30
420
520
60
71001
8200
90
1020
1111
120
131001
1410010
150
162000
17100000001
180
191000000001
2020
210
22110
23100000000001
240
25200
2610010
270
28100100
29100000000000001
300
310
3220000
330
341000000010
3510010
360
370
3810000000010
390
40200
410
420
430
441100
450

[2,2,0,20,20,0,1001,200,0,20,11,0,1001,10010,0,
 2000,100000001,0,1000000001,20,0,110,100000000001,
 0,200,10010,0,100100,100000000000001,0,0,20000,0,
 1000000010,10010,0,0,10000000010,0,200,0,0,0,1100,
 0]