login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A229107 as a simple table

na(n)
12
23
35
47
511
6101
7131
8151
9313
10353
11727
12757
13919
14929
1510301
1610501
1710601
1811311
1911411
2012421
2112721
2212821
2313331
2413831
2513931
2614341
2714741
2815451
2915551
3030103
3130203
3230403
3330703
3430803
3531013
3631513
3732323
3832423
3933533
4034543
4134843
4235053

[2,3,5,7,11,101,131,151,313,353,727,757,919,929,
 10301,10501,10601,11311,11411,12421,12721,12821,
 13331,13831,13931,14341,14741,15451,15551,30103,
 30203,30403,30703,30803,31013,31513,32323,32423,
 33533,34543,34843,35053]