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A258813 as a simple table

na(n)
19
215
327
439
551
677
7143
8207
9329
10377
11473
12611
13903
141241
151243
161273
171437
181591
192117
202303
212975
224189
238401
248657
2511993
2613849
2715611
2816771
2918239
3018599
3119359
3225331
3328877
3437291
3541747
3641807
3761549
3867037
3972601
4082169
4183411
4283711
4387449
4499329

[9,15,27,39,51,77,143,207,329,377,473,611,903,
 1241,1243,1273,1437,1591,2117,2303,2975,4189,8401,
 8657,11993,13849,15611,16771,18239,18599,19359,
 25331,28877,37291,41747,41807,61549,67037,72601,
 82169,83411,83711,87449,99329]