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”).

A038905 as a simple table

na(n)
12
23
35
411
523
631
741
843
979
1083
1197
12101
13109
14113
15127
16139
17149
18151
19157
20167
21173
22179
23193
24199
25223
26233
27239
28251
29257
30263
31271
32281
33293
34317
35331
36347
37349
38367
39373
40383
41397
42421
43463
44487
45491

[2,3,5,11,23,31,41,43,79,83,97,101,109,113,127,
 139,149,151,157,167,173,179,193,199,223,233,239,
 251,257,263,271,281,293,317,331,347,349,367,373,
 383,397,421,463,487,491]