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A121488 as a simple table

na(n)
14
27
38
47
54
632
731
828
923
1016
117
1263
1356
1447
1536
1623
178
1892
1979
2064
2147
2228
237
24119
25100
2679
2756
2831
294
30144
31119
3292
3363
3432
35196
36167
37136
38103
3968
4031
41223
42188
43151
44112
4571
4628
47248
48207
49164
50119
5172
5223
53271
54224
55175
56124
5771
5816
59292
60239
61184
62127
6368
647

[4,7,8,7,4,32,31,28,23,16,7,63,56,47,36,23,8,92,
 79,64,47,28,7,119,100,79,56,31,4,144,119,92,63,32,
 196,167,136,103,68,31,223,188,151,112,71,28,248,
 207,164,119,72,23,271,224,175,124,71,16,292,239,
 184,127,68,7]