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A287515 as a simple table

na(n)
12
27
38
49
511
612
715
820
921
1027
1129
1230
1332
1434
1538
1644
1750
1852
1953
2054
2155
2256
2358
2459
2560
2662
2764
2865
2968
3070
3173
3274
3377
3478
3580
3683
3785
3886
3989
4091
4195
4298
43101
44108
45109
46110
47114
48116
49120
50127
51128
52134
53136
54137
55138
56139
57140
58141
59143
60144
61145
62146
63147
64150
65151
66152
67154
68155
69157
70158
71159
72162

[2,7,8,9,11,12,15,20,21,27,29,30,32,34,38,44,50,
 52,53,54,55,56,58,59,60,62,64,65,68,70,73,74,77,
 78,80,83,85,86,89,91,95,98,101,108,109,110,114,
 116,120,127,128,134,136,137,138,139,140,141,143,
 144,145,146,147,150,151,152,154,155,157,158,159,
 162]