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A006877 as a simple table

na(n)
11
22
33
46
57
69
718
825
927
1054
1173
1297
13129
14171
15231
16313
17327
18649
19703
20871
211161
222223
232463
242919
253711
266171
2710971
2813255
2917647
3023529
3126623
3234239
3335655
3452527
3577031
36106239
37142587
38156159
39216367
40230631
41410011
42511935
43626331
44837799

[1,2,3,6,7,9,18,25,27,54,73,97,129,171,231,313,
 327,649,703,871,1161,2223,2463,2919,3711,6171,
 10971,13255,17647,23529,26623,34239,35655,52527,
 77031,106239,142587,156159,216367,230631,410011,
 511935,626331,837799]