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%I #11 May 10 2021 18:31:53
%S 6,48,1440,103680,14515200,3483648000,1316818944000,737418608640000,
%T 584035538042880000,630758381086310400000,901984484953423872000000,
%U 1666867328193927315456000000,3900469547973789918167040000000
%N a(n) = n! * (n+1)! * (n+2)! * (n+3).
%Y Cf. A000142, A010790, A176037.
%K nonn
%O 0,1
%A _Benoit Cloitre_, Jun 21 2003
%E Definition adapted to data by _Georg Fischer_, May 10 2021