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A268816 as a simple table

na(n)
10
21
34
47
512
615
710
811
926
1025
1130
1229
1320
1421
1516
1619
1748
1851
1954
2055
2162
2261
2358
2457
2540
2641
2744
2847
2936
3039
3134
3235
3398
3497
35102
36101
37108
38109
39104
40107
41120
42123
43126
44127
45118
46117
47114
48113
4980
5081
5184
5287
5392
5495
5590
5691
5774
5873
5978
6077
6168
6269
6364
6467
65192
66195
67198
68199
69206
70205
71202
72201
73216
74217

[0,1,4,7,12,15,10,11,26,25,30,29,20,21,16,19,48,
 51,54,55,62,61,58,57,40,41,44,47,36,39,34,35,98,
 97,102,101,108,109,104,107,120,123,126,127,118,
 117,114,113,80,81,84,87,92,95,90,91,74,73,78,77,
 68,69,64,67,192,195,198,199,206,205,202,201,216,
 217]