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A284470 as a simple table

na(n)
12
25
37
410
511
613
717
820
922
1025
1126
1228
1331
1433
1536
1637
1739
1843
1946
2048
2151
2252
2353
2455
2558
2659
2761
2864
2966
3069
3170
3272
3376
3480
3583
3685
3788
3889
3991
4095
4198
42100
43103
44104
45106
46109
47111
48114
49115
50117
51121
52124
53126
54129
55130
56131
57133
58136
59137
60139

[2,5,7,10,11,13,17,20,22,25,26,28,31,33,36,37,39,
 43,46,48,51,52,53,55,58,59,61,64,66,69,70,72,76,
 80,83,85,88,89,91,95,98,100,103,104,106,109,111,
 114,115,117,121,124,126,129,130,131,133,136,137,
 139]