login

A256148 as a simple table

na(n)
13
27
313
431
543
619
773
837
9157
1061
11211
12241
13307
14127
15421
16463
1779
18601
19757
20271
2167
22331
23151
241123
25397
2697
271483
28223
29547
301723
31139
32631
33283
34109
35103
36181
372551
38379
39919
40409
412971
423307
43163
443541
45523
463907
47613
484423
494831
501657
515113
52751

[3,7,13,31,43,19,73,37,157,61,211,241,307,127,421,
 463,79,601,757,271,67,331,151,1123,397,97,1483,
 223,547,1723,139,631,283,109,103,181,2551,379,919,
 409,2971,3307,163,3541,523,3907,613,4423,4831,
 1657,5113,751]