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A048632 Differences between factorials and Xfactorials: A048631 - A000142. 1

%I

%S 0,0,0,0,0,0,448,3136,25088,238080,2780160,32409600,439263232,

%T 5793579008,84589174784,1277254508544,20436072136704,347559326515200,

%U 6269816107433984,119673237950431232,2402480754490605568

%N Differences between factorials and Xfactorials: A048631 - A000142.

%F a(n) = n! - Xfactorial(n).

%K easy,nonn

%O 0,7

%A _Antti Karttunen_, Jul 14 1999

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Last modified January 25 16:42 EST 2020. Contains 331245 sequences. (Running on oeis4.)