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A308005 as a simple table

na(n)
011
1110
211
3110
411
5110
611
7110
811
9110
10121
11220
12121
13220
14121
15220
16121
17220
18121
19220
2022
21121
2222
23121
2422
25121
2622
27121
2822
29121
30121
31220
32121
33220
34121
35220
36121
37220
38121
39220
4022
41121
4222
43121
4422
45121
4622
47121
4822
49121
50121
51220
52121
53220
54121
55220
56121
57220
58121
59220
6022
61121
6222
63121
6422

[11,110,11,110,11,110,11,110,11,110,121,220,121,
 220,121,220,121,220,121,220,22,121,22,121,22,121,
 22,121,22,121,121,220,121,220,121,220,121,220,121,
 220,22,121,22,121,22,121,22,121,22,121,121,220,
 121,220,121,220,121,220,121,220,22,121,22,121,22]