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A069537 as a simple table

na(n)
12
220
3110
4200
51010
61100
72000
810010
910100
1011000
1120000
12100010
13100100
14101000
15110000
16200000
171000010
181000100
191001000
201010000
211100000
222000000
2310000010
2410000100
2510001000
2610010000
2710100000
2811000000
2920000000
30100000010
31100000100
32100001000

[2,20,110,200,1010,1100,2000,10010,10100,11000,
 20000,100010,100100,101000,110000,200000,1000010,
 1000100,1001000,1010000,1100000,2000000,10000010,
 10000100,10001000,10010000,10100000,11000000,
 20000000,100000010,100000100,100001000]