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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”).

A108506 as a simple table

na(n)
12
23
34
48
520
638
795
8248
9263
10303
11304
12410
13438
14548
15688
161074
171575
188364
199910
2015910
2137344

[2,3,4,8,20,38,95,248,263,303,304,410,438,548,688,
 1074,1575,8364,9910,15910,37344]