login

A086513 as a simple table

na(n)
12
27
317
431
547
667
797
8127
9157
10193
11233
12277
13331
14383
15439
16499
17563
18641
19719
20797
21877
22967
231061
241151
251249
261361
271459
281567
291669
301787
311901
322027
332153
342287
352423
362579
372719
382879
393037
403191
413347
423511
433671
443847
454019
464201
474391
484583

[2,7,17,31,47,67,97,127,157,193,233,277,331,383,
 439,499,563,641,719,797,877,967,1061,1151,1249,
 1361,1459,1567,1669,1787,1901,2027,2153,2287,2423,
 2579,2719,2879,3037,3191,3347,3511,3671,3847,4019,
 4201,4391,4583]