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A097434 as a simple table

na(n)
15
217
323
447
583
6167
7227
8257
9443
10563
11593
12677
131277
141283
151613
161973
172333
182837
192903
203533
215393
225843
236197
246263
256977
267523
278087
288363
2911807
3012473
3112893
3213463
3313907
3414537
3514717
3615077
3715263
3815377
3917093
4017327
4119913

[5,17,23,47,83,167,227,257,443,563,593,677,1277,
 1283,1613,1973,2333,2837,2903,3533,5393,5843,6197,
 6263,6977,7523,8087,8363,11807,12473,12893,13463,
 13907,14537,14717,15077,15263,15377,17093,17327,
 19913]