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A001560 as a simple table

na(n)
12
28
39
410
511
615
719
821
922
1025
1126
1227
1328
1430
1531
1634
1740
1842
1945
2046
2147
2250
2355
2457
2558
2659
2762
2864
2965
3066
3170
3274
3375
3478
3579
3680
3784
3886
3994
4096
4197
4298
43100
44101
45103
46106
47108
48109
49110
50112
51113
52116
53117
54120
55122
56124
57125
58126
59128
60129
61130
62131

[2,8,9,10,11,15,19,21,22,25,26,27,28,30,31,34,40,
 42,45,46,47,50,55,57,58,59,62,64,65,66,70,74,75,
 78,79,80,84,86,94,96,97,98,100,101,103,106,108,
 109,110,112,113,116,117,120,122,124,125,126,128,
 129,130,131]