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A139794 as a simple table

na(n)
13
24
35
45
512
613
78
815
917
1020
1121
1229
1312
1435
1537
169
1740
1841
1928
2045
2153
2211
2360
2461
2548
2655
2773
2839
2980
3089
3165
3272
3397
3420
3599
36101
3760
3891
39109
4015
41112
42113
4388
44105
45137
4651
47140
48149
4985
50132
51157
5252
53165
54173
5519
56180
57181
5895
59168
60193
6128
62195
63197
6460
65221

[3,4,5,5,12,13,8,15,17,20,21,29,12,35,37,9,40,41,
 28,45,53,11,60,61,48,55,73,39,80,89,65,72,97,20,
 99,101,60,91,109,15,112,113,88,105,137,51,140,149,
 85,132,157,52,165,173,19,180,181,95,168,193,28,
 195,197,60,221]