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A037978 as a simple table

na(n)
121
242
363
464
584
686
787
8106
9127
10128
11149
12168
13169
14171
15191
16192
17213
18234
19252
20253
21254
22257
23258
24259
25277
26298
27319
28320
29336
30337
31338
32339
33344
34345
35346
36347
37348
38349
39350
40351
41362
42383
43384
44405
45424
46425
47427

[21,42,63,64,84,86,87,106,127,128,149,168,169,171,
 191,192,213,234,252,253,254,257,258,259,277,298,
 319,320,336,337,338,339,344,345,346,347,348,349,
 350,351,362,383,384,405,424,425,427]