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A369573 as a simple table

na(n)
01
12
22
32
43
54
64
74
85
97
108
118
129
1311
1412
1512
1614
1717
1818
1918
2020
2123
2224
2324
2426
2531
2634
2735
2838
2943
3046
3147
3250
3355
3459
3561
3666
3773
3877
3979
4084
4192
4297
43100
44106
45115
46121
47124
48130
49140
50148
51152
52161
53174
54183
55188
56197
57210
58220
59226
60235
61251
62264
63272

[1,2,2,2,3,4,4,4,5,7,8,8,9,11,12,12,14,17,18,18,
 20,23,24,24,26,31,34,35,38,43,46,47,50,55,59,61,
 66,73,77,79,84,92,97,100,106,115,121,124,130,140,
 148,152,161,174,183,188,197,210,220,226,235,251,
 264,272]