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A372797 as a simple table

na(n)
13
217
331
473
5151
6433
7631
8337
9127
10241
11331
12601
134421
14673
153061
16257
171429
181657
191103
203121
212143
221321
2318539
241777
252351
2637441
272971
282857
293191
3017401
31683
3215809
3317029
349929
3538431
361801
3711471
3863689
3949999
4013121
4117467
4221169
4383077
4425609
455581
465153
4726227

[3,17,31,73,151,433,631,337,127,241,331,601,4421,
 673,3061,257,1429,1657,1103,3121,2143,1321,18539,
 1777,2351,37441,2971,2857,3191,17401,683,15809,
 17029,9929,38431,1801,11471,63689,49999,13121,
 17467,21169,83077,25609,5581,5153,26227]