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A060444 as a simple table

na(n)
02
13
25
33
417
53
611
75
813
93
1043
11257
123
1319
145
1541
163
17683
1817
19241
203
212731
225
2329
24113
253
2611
27331
2865537
293
3043691
315
3213
3337
34109
353
36174763
3717
3861681
393
4043
415419
425
43397
442113
453
462796203
4797
48257
49673
503
5111
52251
534051

[2,3,5,3,17,3,11,5,13,3,43,257,3,19,5,41,3,683,17,
 241,3,2731,5,29,113,3,11,331,65537,3,43691,5,13,
 37,109,3,174763,17,61681,3,43,5419,5,397,2113,3,
 2796203,97,257,673,3,11,251,4051]