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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”).

A358288 as a simple table

na(n)
21
31
41
51
61
73
823
91
101
111
126
1331
141
152
1655
171
181
191

[1,1,1,1,1,3,23,1,1,1,6,31,1,2,55,1,1,1]