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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”).

A060274 as a simple table

na(n)
11
23
35
47
513
621
741
891
9269
10419
11921
122983
138519
1418859
1553611
16136631
17436341

[1,3,5,7,13,21,41,91,269,419,921,2983,8519,18859,
 53611,136631,436341]