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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”).

A177653 as a simple table

na(n)
11
270
334650
461414332
5285103911731
62872521312372990
755380493659302772963

[1,70,34650,61414332,285103911731,
 2872521312372990,55380493659302772963]