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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”).

A247389 as a simple table

na(n)
254
313
427
554
616
727
818
910
109
1154
1219
1327
1454
1519
1627
1718
1810
199
2054

[54,13,27,54,16,27,18,10,9,54,19,27,54,19,27,18,
 10,9,54]