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A212990 as a simple table

na(n)
21
32
42
59
67
714
810
917
1021
1127
1232
1343
1435
1532
1643
1748
1850
1954
2059
2178
2271
2369
2448
2575
2674
27100
2880
2985
3077
31115
32105
33110
34102
35137
36139
37147
38148
39159
40156
41186
42151
43144
44156
45166
46167
47148
48222
49233
50209
51247
52214
53219
54249
55245
56226
57241
58234
59267
60243
61233
62256
63292
64290
65269
66283

[1,2,2,9,7,14,10,17,21,27,32,43,35,32,43,48,50,54,
 59,78,71,69,48,75,74,100,80,85,77,115,105,110,102,
 137,139,147,148,159,156,186,151,144,156,166,167,
 148,222,233,209,247,214,219,249,245,226,241,234,
 267,243,233,256,292,290,269,283]