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A121278 as a simple table

na(n)
11
23
35
43
513
69
719
85
915
1015
1151
129
1373
1430
1565
169
17113
1821
19163
209
2125
2263
23265
2415
2565
2657
2745
2830
29281
3045
31391
3217
33255
34123
35247
3621
37577
38165
3965
4015
41841
4227
43757
4463
45195
46234
471105
4827
49133
5075
51565
5230
531249
5457
5565
5650
5795
58339
59929
6027
611321
62408
6375
6433
65949

[1,3,5,3,13,9,19,5,15,15,51,9,73,30,65,9,113,21,
 163,9,25,63,265,15,65,57,45,30,281,45,391,17,255,
 123,247,21,577,165,65,15,841,27,757,63,195,234,
 1105,27,133,75,565,30,1249,57,65,50,95,339,929,27,
 1321,408,75,33,949]