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A140117 as a simple table

na(n)
12
24
38
415
516
631
732
833
934
1063
1164
1265
1366
1468
1572
16125
17126
18127
19128
20129
21130
22131
23132
24136
25144
26160
27192
28247
29251
30253
31254
32255
33256
34257
35258
36259
37260
38264
39272
40288
41320
42384
43503
44507
45509
46510
47511
48512
49513
50514
51515
52516
53517
54518
55520
56521

[2,4,8,15,16,31,32,33,34,63,64,65,66,68,72,125,
 126,127,128,129,130,131,132,136,144,160,192,247,
 251,253,254,255,256,257,258,259,260,264,272,288,
 320,384,503,507,509,510,511,512,513,514,515,516,
 517,518,520,521]