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A264483 as a simple table

na(n)
11
21
31
41
51
65
71
85
91
1011
117
121
1311
147
1511
1611
1711
1811
1911
2011
2111
2211
2311
2411
2529
261217
271213
281213
2911
3011
3144879
3244873
3344867
3413
35525337
36250297
37127571
38127571
3913639459
4017
412477591
422477591
432477591
449339217
4517
4617

[1,1,1,1,1,5,1,5,1,11,7,1,11,7,11,11,11,11,11,11,
 11,11,11,11,29,1217,1213,1213,11,11,44879,44873,
 44867,13,525337,250297,127571,127571,13639459,17,
 2477591,2477591,2477591,9339217,17,17]