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A028836 as a simple table

na(n)
11
22
34
48
510
611
713
817
919
1020
1122
1226
1328
1429
1531
1635
1737
1838
1940
2044
2146
2247
2349
2453
2555
2656
2758
2862
2964
3065
3167
3271
3373
3474
3576
3680
3782
3883
3985
4089
4191
4292
4394
4498
45100
46101
47103
48107
49109
50110
51112
52116
53118
54119
55121
56125
57127
58128
59130
60134
61136
62137
63139
64143
65145
66146
67148
68152
69154
70155

[1,2,4,8,10,11,13,17,19,20,22,26,28,29,31,35,37,
 38,40,44,46,47,49,53,55,56,58,62,64,65,67,71,73,
 74,76,80,82,83,85,89,91,92,94,98,100,101,103,107,
 109,110,112,116,118,119,121,125,127,128,130,134,
 136,137,139,143,145,146,148,152,154,155]