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A072269
Smallest factorial containing exactly n 3's.
1
40320, 1307674368000, 15511210043330985984000000, 371993326789901217467999448150835200000000, 620448401733239439360000, 608281864034267560872252163321295376887552831379210240000000000
OFFSET
1,1
EXAMPLE
a(2)=1307674368000 so 1307674368000 is the smallest factorial containing exactly two 3's.
MATHEMATICA
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 *)
CROSSREFS
Sequence in context: A287084 A071550 A181724 * A259113 A195392 A172632
KEYWORD
base,nonn
AUTHOR
Shyam Sunder Gupta, Jul 30 2002
STATUS
approved