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A031865 as a simple table

na(n)
171371
272691
379459
4114271
5151099
6154331
7156599
8163255
9186319
10207047
11214139
12258187
13259139
14259327
15305531
16306979
17320215
18323563
19363883
20391327
21407371
22415067
23418384
24424691
25424943
26448463
27470671
28478867
29490403
30492143

[71371,72691,79459,114271,151099,154331,156599,
 163255,186319,207047,214139,258187,259139,259327,
 305531,306979,320215,323563,363883,391327,407371,
 415067,418384,424691,424943,448463,470671,478867,
 490403,492143]