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A260522 as a simple table

na(n)
01
110
2100
31000
410000
5100000
61000000
710000000
8100000000
91000000000
1012
11120
12210
132010
1420010
15200010
162000010
1720000010
18200000010
192000000010
20102
21120
221200
232100
2420100
25200100
262000100
2720000100
28200000100
292000000100

[1,10,100,1000,10000,100000,1000000,10000000,
 100000000,1000000000,12,120,210,2010,20010,200010,
 2000010,20000010,200000010,2000000010,102,120,
 1200,2100,20100,200100,2000100,20000100,200000100,
 2000000100]