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A099112 as a simple table

na(n)
16
273080
3472598638512
41631619756904447290240
53008692066440440678503082183460000
62962701176869736970134706082584757742017500000000
71557551298812773746701490125169378658941648550102913633903040000000

[6,73080,472598638512,1631619756904447290240,
 3008692066440440678503082183460000,
 2962701176869736970134706082584757742017500000000,
 15575512988127737467014901251693786589416485501029\
 13633903040000000]