login

A172979 as a simple table

na(n)
12
23
35
47
513
617
731
837
943
1073
11101
12157
13197
14211
15241
16257
17307
18401
19421
20463
21577
22601
23677
24757
251123
261297
271483
281601
291723
302551
312917
322971
333137
343307
353541
363907
374357
384423
394831
405113
415477
425701
436007
446163
456481
467057
478011
488101
498191
508837
519901

[2,3,5,7,13,17,31,37,43,73,101,157,197,211,241,
 257,307,401,421,463,577,601,677,757,1123,1297,
 1483,1601,1723,2551,2917,2971,3137,3307,3541,3907,
 4357,4423,4831,5113,5477,5701,6007,6163,6481,7057,
 8011,8101,8191,8837,9901]