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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”).

A226687 as a simple table

na(n)
11
219
323
425
5113
6467
7697
83377
97153
1034595
1141807
1262675
1366781
14271591

[1,19,23,25,113,467,697,3377,7153,34595,41807,
 62675,66781,271591]