login

A287614 as a simple table

na(n)
15
27
313
417
519
631
737
841
961
1097
11113
12127
13181
14211
15257
16271
17313
18331
19337
20397
21421
22547
23613
24631
25761
26881
27919
281013
291201
301301
311657
321741
331801
341861
351951
362113
372269
382381
392437
402521
412791
423121
433169
443571
453613
463697
474219
484447
494513
504651
515101
525167
535419
546211

[5,7,13,17,19,31,37,41,61,97,113,127,181,211,257,
 271,313,331,337,397,421,547,613,631,761,881,919,
 1013,1201,1301,1657,1741,1801,1861,1951,2113,2269,
 2381,2437,2521,2791,3121,3169,3571,3613,3697,4219,
 4447,4513,4651,5101,5167,5419,6211]