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A332731 as a simple table

na(n)
21
31
41
51
611
711
81
913
101
1117
121
131
1453
1517
161
1729
1823
1931
2023
211
2229
2367
2431
2531
2643
2729
28181
291
3083
3141
32101
3379
34179
3579
3643
3783
3847
3983
40163
4179
4253
4373
4459
4567
46347
47223
4867
4953
5097
511
52157
5373
541
55229
56101
571
58263
59103
60101
61163
62139
63599
64103
65197
6673
67433
68313
6973

[1,1,1,1,11,11,1,13,1,17,1,1,53,17,1,29,23,31,23,
 1,29,67,31,31,43,29,181,1,83,41,101,79,179,79,43,
 83,47,83,163,79,53,73,59,67,347,223,67,53,97,1,
 157,73,1,229,101,1,263,103,101,163,139,599,103,
 197,73,433,313,73]