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A364298 as a simple table

na(n)
11
21
31
41
53
619
71
85
973
10721
111
127
13163
143747
1549251
161
179
18289
1910805
20329001
215370751
221
2311
24451
2523623
261179251
2744127003
28859748023
291
3013
31649
3243929
333100001
34190464755
358405999785
36190320431953
371
3815
39883
4073451
416751251
42589050007
4342601840975
442160445363107

[1,1,1,1,3,19,1,5,73,721,1,7,163,3747,49251,1,9,
 289,10805,329001,5370751,1,11,451,23623,1179251,
 44127003,859748023,1,13,649,43929,3100001,
 190464755,8405999785,190320431953,1,15,883,73451,
 6751251,589050007,42601840975,2160445363107]