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A109096 Numbers n such that n! is the product of exactly three smaller factorials. 10

%I #9 Sep 02 2013 12:29:08

%S 4,10,12,16,36,48,144,240,576,720,1440,2880,4320,10080,14400,17280,

%T 30240,80640,86400

%N Numbers n such that n! is the product of exactly three smaller factorials.

%e 144! = 3! * 4! * 143!, so 144 is in the sequence.

%Y Cf. A034878, A001013, A003135, A058295, A075082, A109095, A109097.

%K nonn

%O 1,1

%A _Jud McCranie_, Jun 19 2005

%E Definition corrected by _Jon E. Schoenfield_, Jul 02 2010

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Last modified March 28 09:04 EDT 2024. Contains 371240 sequences. (Running on oeis4.)