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A043552 as a simple table

na(n)
11
21
31
42
54
64
74
86
910
1013
1113
1218
1318
1422
1529
1634
1737
1842
1945
2055
2158
2265
2373
2476
2584
2693
2797
28106
29120
30125
31130
32146
33157
34163
35174
36186
37199
38205
39218
40238
41245
42260
43274
44289
45305
46312
47328
48345
49362
50379
51396
52405
53433
54442

[1,1,1,2,4,4,4,6,10,13,13,18,18,22,29,34,37,42,45,
 55,58,65,73,76,84,93,97,106,120,125,130,146,157,
 163,174,186,199,205,218,238,245,260,274,289,305,
 312,328,345,362,379,396,405,433,442]