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A343481 as a simple table

na(n)
21
33
43
56
66
710
811
911
1010
1115
1216
1322
1421
1521
1623
1730
1832
1940
2042
2142
2239
2348
2452
2553
2649
2752
2853
2963
3066
3177
3283
3382
3476
3577
3682
3794
3887
3985
4090
41103
42107
43121
44123
45129
46120
47135
48144
49147
50153
51150
52151
53167
54176
55178
56185
57181
58168
59185
60194
61212
62199

[1,3,3,6,6,10,11,11,10,15,16,22,21,21,23,30,32,40,
 42,42,39,48,52,53,49,52,53,63,66,77,83,82,76,77,
 82,94,87,85,90,103,107,121,123,129,120,135,144,
 147,153,150,151,167,176,178,185,181,168,185,194,
 212,199]