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A043550 as a simple table

na(n)
11
21
32
42
53
67
79
810
914
1019
1124
1227
1330
1437
1544
1652
1761
1870
1975
2086
2197
22102
23114
24127
25140
26147
27169
28177
29192
30209
31226
32234
33252
34271
35290
36310
37331
38352
39363
40386
41409
42432
43444
44469
45494
46520
47547
48574
49602
50631
51660
52675

[1,1,2,2,3,7,9,10,14,19,24,27,30,37,44,52,61,70,
 75,86,97,102,114,127,140,147,169,177,192,209,226,
 234,252,271,290,310,331,352,363,386,409,432,444,
 469,494,520,547,574,602,631,660,675]