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A031070 as a simple table

na(n)
12
29
312
418
519
630
746
853
957
1059
1170
1274
1375
1476
1578
1691
17103
18122
19135
20136
21140
22169
23170
24181
25184
26186
27190
28231
29232
30241
31246
32254
33258
34263
35264
36265
37274
38286
39303
40304
41309
42312
43314
44322
45340
46342
47347
48352
49362
50366

[2,9,12,18,19,30,46,53,57,59,70,74,75,76,78,91,
 103,122,135,136,140,169,170,181,184,186,190,231,
 232,241,246,254,258,263,264,265,274,286,303,304,
 309,312,314,322,340,342,347,352,362,366]