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A127176 as a simple table

na(n)
13
27
317
423
5113
6137
7193
8271
9431
10479
11587
12691
13757
14809
15829
161009
171123
181181
191459
202089
212111
222131
232243
242273
252473
262617
272671
283067
293169
303607
313697
324567
334603
345059
355407
365749
376007
386037
396449
406607
416673
427207
437669
447927
458089
468849

[3,7,17,23,113,137,193,271,431,479,587,691,757,
 809,829,1009,1123,1181,1459,2089,2111,2131,2243,
 2273,2473,2617,2671,3067,3169,3607,3697,4567,4603,
 5059,5407,5749,6007,6037,6449,6607,6673,7207,7669,
 7927,8089,8849]