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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”).

A053301 as a simple table

na(n)
11
26
310
416
538
666
794
8142
9186
10254
11316
12388
13482
14590
15688
16796

[1,6,10,16,38,66,94,142,186,254,316,388,482,590,
 688,796]