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”).

A291180 as a simple table

na(n)
15
29
313
417
521
629
733
837
941
1049
1153
1257
1361
1469
1573
1677
1781
1889
1993
2097
21101
22109
23113
24121
25129
26133
27137
28141
29149
30157
31161
32173
33177
34181
35189
36193
37197
38201
39209
40213
41217
42229
43233
44237
45241
46249
47253
48257
49269
50277
51281
52293
53297
54301
55309
56313
57317

[5,9,13,17,21,29,33,37,41,49,53,57,61,69,73,77,81,
 89,93,97,101,109,113,121,129,133,137,141,149,157,
 161,173,177,181,189,193,197,201,209,213,217,229,
 233,237,241,249,253,257,269,277,281,293,297,301,
 309,313,317]