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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”).

A360806 as a simple table

na(n)
01
12
28
380
42240
5215040
677414400
761931520000
8170930995200000
91340099002368000000

[1,2,8,80,2240,215040,77414400,61931520000,
 170930995200000,1340099002368000000]