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A177048 as a simple table

na(n)
11
22
33
42
513
611
713
82
93
1025
115
127
1315
1435
1535
162
1757
1831
1913
2077
2137
2223
237
2429
2515
2625
273
2851
2927
3061
315
322
3343
3437
3557
3625
3717
3831
3913
4069
4175
4213
4349
449
4513
4675
4799
4845
49103
5057
5137
5235
5323
5425
5523
5675
5723
58295
5923
60163
6121
625
6323
642
653
6679
6723
68123
6923
70345
7133
725
7315

[1,2,3,2,13,11,13,2,3,25,5,7,15,35,35,2,57,31,13,
 77,37,23,7,29,15,25,3,51,27,61,5,2,43,37,57,25,17,
 31,13,69,75,13,49,9,13,75,99,45,103,57,37,35,23,
 25,23,75,23,295,23,163,21,5,23,2,3,79,23,123,23,
 345,33,5,15]