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A029946 as a simple table

na(n)
13
27
35
43
545
611
712
813
947
109
1111
1215
1381
147
1563
1637
1719
1821
1923
2083
2146
2231
2318
2429
2513
26106
2747
28221
29103
30225
31238
32236
33255
34225
35285
36205
3754
38168
3923
40161
41148
42122
43106
4457
4513
46271
47171
48247
49497
50132
51177
52198
53148
54136
55137
56133
5761
58358

[3,7,5,3,45,11,12,13,47,9,11,15,81,7,63,37,19,21,
 23,83,46,31,18,29,13,106,47,221,103,225,238,236,
 255,225,285,205,54,168,23,161,148,122,106,57,13,
 271,171,247,497,132,177,198,148,136,137,133,61,
 358]