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A080486 as a simple table

na(n)
11
211
3121
412100
51210000
6121000000
712100000000
81210000000000
9121000000000000
1012100000000000000
111210000000000000000
12121000000000000000000
1312100000000000000000000

[1,11,121,12100,1210000,121000000,12100000000,
 1210000000000,121000000000000,12100000000000000,
 1210000000000000000,121000000000000000000,
 12100000000000000000000]