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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”).

A184058 as a simple table

na(n)
11
231
3207
41531
521411
6251231
72880959
833207359

[1,31,207,1531,21411,251231,2880959,33207359]