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A157836 as a simple table

na(n)
11
21
31
41
53
61
71
87
97
101
111
1214
1328
1413
151
161
1729
18103
1995
2024
211
221
2347
24273
25448
26249
2741
281
291
3079
31725
321897
331837
34671
3574
361
371
38134
391876
407301
4110856
426780
431686
44127
451
461
47269
485791
4931811
5065782
5159434
5224017
533960
54197
551
561
57395
5812061
5992987
60272932
61362956
62232152
6369765
648703
65323
661

[1,1,1,1,3,1,1,7,7,1,1,14,28,13,1,1,29,103,95,24,
 1,1,47,273,448,249,41,1,1,79,725,1897,1837,671,74,
 1,1,134,1876,7301,10856,6780,1686,127,1,1,269,
 5791,31811,65782,59434,24017,3960,197,1,1,395,
 12061,92987,272932,362956,232152,69765,8703,323,1]