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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”).

A326761 as a simple table

na(n)
11
22
35
412
528
670
7171
8428
91062
102664
116664
1216744
1342018

[1,2,5,12,28,70,171,428,1062,2664,6664,16744,
 42018]