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A217678 as a simple table

na(n)
25
37
46
517
613
713
831
937
1014
1113
1241
13101
1461
1531
16127
1729
1826
19197
2043
21113
2261
23257
2434
2519
2643
27181
28401
2917
3097
3173
3253
33577
34313
35677
3673
37157
38421
3953
4062
4137
4241
43109
4489
45613
461297
4737
48137
4938
50761
511601
5282
53157
54353
5586
56149
571013
58683
5973

[5,7,6,17,13,13,31,37,14,13,41,101,61,31,127,29,
 26,197,43,113,61,257,34,19,43,181,401,17,97,73,53,
 577,313,677,73,157,421,53,62,37,41,109,89,613,
 1297,37,137,38,761,1601,82,157,353,86,149,1013,
 683,73]