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A242991 as a simple table

na(n)
12
213
373
497
5281
6397
71493
81153
92017
102909
114217
126073
138269
1412517
1513681
1617417
1722193
1826893
1934217
2040801
2151517
2260509
2372353
2489977
25101749
26115597
27151273
28158393
29180617
30204301
31237157
32278753
33335173
34336397
35388109
36435577
37477469
38527069
39585217
40652849
41717397

[2,13,73,97,281,397,1493,1153,2017,2909,4217,6073,
 8269,12517,13681,17417,22193,26893,34217,40801,
 51517,60509,72353,89977,101749,115597,151273,
 158393,180617,204301,237157,278753,335173,336397,
 388109,435577,477469,527069,585217,652849,717397]