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A137706 as a simple table

na(n)
11
22
33
44
55
67
78
89
910
1011
1115
1216
1317
1419
1523
1631
1732
1833
1934
2035
2136
2237
2339
2442
2543
2645
2747
2863
2964
3065
3167
3269
3371
3475
3579
3695
37127
38128
39129
40130
41131
42133
43135
44136
45137
46138
47139
48141
49143
50151
51153
52155
53159
54170
55171
56175
57187
58191
59255
60256
61257
62259
63260

[1,2,3,4,5,7,8,9,10,11,15,16,17,19,23,31,32,33,34,
 35,36,37,39,42,43,45,47,63,64,65,67,69,71,75,79,
 95,127,128,129,130,131,133,135,136,137,138,139,
 141,143,151,153,155,159,170,171,175,187,191,255,
 256,257,259,260]