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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”).

A224775 as a simple table

na(n)
11
212
378
4985
59986
6100201
7998712
810000674
999998816

[1,12,78,985,9986,100201,998712,10000674,99998816]