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A027687 as a simple table

na(n)
130240
232760
32178540
423569920
545532800
6142990848
71379454720
843861478400
966433720320
10153003540480
11403031236608
12704575228896
13181742883469056
146088728021160320
1514942123276641920
1620158185857531904
17275502900594021408

[30240,32760,2178540,23569920,45532800,142990848,
 1379454720,43861478400,66433720320,153003540480,
 403031236608,704575228896,181742883469056,
 6088728021160320,14942123276641920,
 20158185857531904,275502900594021408]