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”).

A375138 as a simple table

na(n)
141
281
383
4105
5145
6161
7163
8165
9166
10167
11169
12209
13211
14233
15289
16290
17291
18297
19321
20323
21325
22326
23327
24329
25331
26332
27333
28334
29335
30337
31339
32361
33401
34417
35419
36421
37422
38423
39425
40465
41467
42489
43545
44553
45577
46578
47579
48581
49582
50583
51593
52595
53617

[41,81,83,105,145,161,163,165,166,167,169,209,211,
 233,289,290,291,297,321,323,325,326,327,329,331,
 332,333,334,335,337,339,361,401,417,419,421,422,
 423,425,465,467,489,545,553,577,578,579,581,582,
 583,593,595,617]