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A049049 as a simple table

na(n)
15
29
311
411
511
615
715
815
917
1015
1129
1221
1335
1441
1511
1629
1769
1853
19105
2015
2181
2229
23105
2437
25101
26111
2715
2869
29125
309
3199
32135
338
34129
35155
3615
3767
38165
3969
4043
4190
4248
43179
44111
45189
4698
4744
48231
49177
5043
5143
52281
5367
5475
5596
56236
5711
58231
59189
6021
61129
62249
63279

[5,9,11,11,11,15,15,15,17,15,29,21,35,41,11,29,69,
 53,105,15,81,29,105,37,101,111,15,69,125,9,99,135,
 8,129,155,15,67,165,69,43,90,48,179,111,189,98,44,
 231,177,43,43,281,67,75,96,236,11,231,189,21,129,
 249,279]