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A046856 as a simple table

na(n)
11
22
3630
481729648000
5256963707943060088053923840000000
630978254928194376001814792318154658399137088909801072314160618743948902400000000000000

[1,2,630,81729648000,
 256963707943060088053923840000000,
 30978254928194376001814792318154658399137088909801\
 072314160618743948902400000000000000]