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A279339 as a simple table

na(n)
11
22
33
45
54
66
77
812
98
109
1111
1213
1319
1414
1510
1627
1735
1817
1967
2020
2116
2224
23131
2428
2515
2640
2722
2829
29259
3021
31515
3258
3325
3472
3518
3636
371027
38136
3946
4043
412051
4233
434099
4451
4523
46264
478195
4859
4926
5030
5178
5283
5316387
5445
5531
5660
57142
58520
5932771
6044
6165539
621032
6338
64121
6547
6652
67131075
68147
69270
7037
71262147
7275
73524291
742056
7532
76275
7734
7893

[1,2,3,5,4,6,7,12,8,9,11,13,19,14,10,27,35,17,67,
 20,16,24,131,28,15,40,22,29,259,21,515,58,25,72,
 18,36,1027,136,46,43,2051,33,4099,51,23,264,8195,
 59,26,30,78,83,16387,45,31,60,142,520,32771,44,
 65539,1032,38,121,47,52,131075,147,270,37,262147,
 75,524291,2056,32,275,34,93]