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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”).

A160871 as a simple table

na(n)
11
263
37987
47987616
524875000437
6193466859054994

[1,63,7987,7987616,24875000437,193466859054994]