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A072269
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Smallest factorial containing exactly n 3's.
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1
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40320, 1307674368000, 15511210043330985984000000, 371993326789901217467999448150835200000000, 620448401733239439360000, 608281864034267560872252163321295376887552831379210240000000000
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OFFSET
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1,1
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LINKS
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EXAMPLE
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a(2)=1307674368000 so 1307674368000 is the smallest factorial containing exactly two 3's.
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MATHEMATICA
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With[{fctrls=Range[100]!}, Table[SelectFirst[fctrls, DigitCount[#, 10, 3] == n&], {n, 6}]] (* The program uses the SelectFirst function from Mathematica version 10 *) (* Harvey P. Dale, Jul 08 2015 *)
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CROSSREFS
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KEYWORD
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base,nonn
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AUTHOR
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STATUS
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approved
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