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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”).

A217383 as a simple table

na(n)
13
27
311
447
581
695
7107
8179
9233
10243
11947
122817
132859
143233
157563
1611307
17218615
18225587

[3,7,11,47,81,95,107,179,233,243,947,2817,2859,
 3233,7563,11307,218615,225587]