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”).

A074267 as a simple table

na(n)
15
211
317
429
553
683
7127
8131
9173
10179
11181
12257
13293
14347
15349
16367
17373
18379
19541
20547
21853
22857
23859
24863
25967
26971
27977
28983
29991
301373
311381
321399
331693
341697
351699
361709
371721
381861
391867
401871
411873
421877
431879
441889
452203
462207
472213
482221
492237

[5,11,17,29,53,83,127,131,173,179,181,257,293,347,
 349,367,373,379,541,547,853,857,859,863,967,971,
 977,983,991,1373,1381,1399,1693,1697,1699,1709,
 1721,1861,1867,1871,1873,1877,1879,1889,2203,2207,
 2213,2221,2237]