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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”).

A108311 as a simple table

na(n)
12
25
38
412
515
618
720
830
980
10143
11152
12164
13176
14239
15291
16324
17504
18594
19983
202894

[2,5,8,12,15,18,20,30,80,143,152,164,176,239,291,
 324,504,594,983,2894]