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A315117 as a simple table

na(n)
01
15
29
317
421
525
631
737
842
949
1052
1156
1266
1369
1474
1581
1684
1790
1899
19100
20104
21116
22116
23121
24131
25131
26137
27149
28147
29151
30166
31163
32168
33181
34178
35184
36199
37194
38198
39216
40210
41215
42231
43225
44231
45249
46241
47245
48266
49257

[1,5,9,17,21,25,31,37,42,49,52,56,66,69,74,81,84,
 90,99,100,104,116,116,121,131,131,137,149,147,151,
 166,163,168,181,178,184,199,194,198,216,210,215,
 231,225,231,249,241,245,266,257]