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A075555 as a simple table

na(n)
13
22
313
45
511
63
72
817
97
1071
115
1213
133
142
15181
160
1719
187
1917
205
2143
223
232
2497
2511
2623
2737
2853
297
3019
315
3217
333
342
3529
3613
37107
3811
3961
4041
4123
427
43101
445
4519
463
472
4873
490
5031
5113
5229
5311
5467
5589
56113
577
5823
595
6061
613
622
6337
6417
6579
66103
67257
6813
6931
7011
7129
7297
7371
747
75181
765

[3,2,13,5,11,3,2,17,7,71,5,13,3,2,181,0,19,7,17,5,
 43,3,2,97,11,23,37,53,7,19,5,17,3,2,29,13,107,11,
 61,41,23,7,101,5,19,3,2,73,0,31,13,29,11,67,89,
 113,7,23,5,61,3,2,37,17,79,103,257,13,31,11,29,97,
 71,7,181,5]