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”).

A067073 as a simple table

na(n)
13
27
313
417
519
631
737
841
943
1047
1153
1271
1379
1489
15103
16127
17131
18137
19151

[3,7,13,17,19,31,37,41,43,47,53,71,79,89,103,127,
 131,137,151]