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”).

A049092 as a simple table

na(n)
15
213
317
419
529
637
741
853
961
1073
1189
1297
13101
14109
15113
16127
17137
18149
19151
20157
21163
22173
23181
24193
25197
26199
27229
28233
29241
30251
31257
32269
33271
34277
35281
36293
37307
38313
39317
40337
41349
42353
43373
44379
45389
46397
47401
48409
49421
50433
51449
52457
53461
54487

[5,13,17,19,29,37,41,53,61,73,89,97,101,109,113,
 127,137,149,151,157,163,173,181,193,197,199,229,
 233,241,251,257,269,271,277,281,293,307,313,317,
 337,349,353,373,379,389,397,401,409,421,433,449,
 457,461,487]