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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”).

A084722 as a simple table

na(n)
11
23
35
47
59
615
719
825
927
1053
1157
1265
1371
1487
15101
16151
17195
18247
19253
20255
21277
22289
23291

[1,3,5,7,9,15,19,25,27,53,57,65,71,87,101,151,195,
 247,253,255,277,289,291]