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A163587 as a simple table

na(n)
15
223
329
459
5307
6383
7449
8691
9727
10739
11751
12787
13947
14971
151009
161021
171097
181237
191289
201367
211511
221657
231697
241913
252063
262243
272579
282593
292621
302749
312777
322791
332963
343049
353121
363251
373499
383617
393631
403779
413793
423823

[5,23,29,59,307,383,449,691,727,739,751,787,947,
 971,1009,1021,1097,1237,1289,1367,1511,1657,1697,
 1913,2063,2243,2579,2593,2621,2749,2777,2791,2963,
 3049,3121,3251,3499,3617,3631,3779,3793,3823]