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A057171 as a simple table

na(n)
15
267
3101
4103
5229
6347
74013
823297
930133
10177337
11193939
12266863
13277183
14335429
151856147

[5,67,101,103,229,347,4013,23297,30133,177337,
 193939,266863,277183,335429,1856147]