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A298125 as a simple table

na(n)
11
23
37
419
537
661
791
8127
9169
10217
11271
12331
13397
14469
15547
16631
17721
18817
19919
201027
211141
221261
231387
241519
251657
261801
271951
282107
292269
302437
312611
322791
332977
343169
353367
363571
373781
383997
394219
404447
414681
424921
435167
445419
455677
465941
476211
486487

[1,3,7,19,37,61,91,127,169,217,271,331,397,469,
 547,631,721,817,919,1027,1141,1261,1387,1519,1657,
 1801,1951,2107,2269,2437,2611,2791,2977,3169,3367,
 3571,3781,3997,4219,4447,4681,4921,5167,5419,5677,
 5941,6211,6487]