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A136754
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Leading digit of n! in base 3.
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14
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1, 1, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1, 1, 2, 1, 2, 1, 1, 2, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 1, 1, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1
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OFFSET
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0,3
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LINKS
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EXAMPLE
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a(10) = 2 as 10! = 20211100210000_3 which has leading digit 2. - David A. Corneth, Jan 15 2021
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MATHEMATICA
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Table[First[IntegerDigits[n!, 3]], {n, 0, 87}] (* Stefano Spezia, Aug 25 2022 *)
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PROG
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(PARI) a(n, {b = 3}) = my(f = n!); f \ b^logint(f, b) \\ David A. Corneth, Jan 10 2021
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CROSSREFS
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Cf. A000142, A136690, A136755, A136756, A136757, A136758, A136759, A136760, A008905, A136761, A136762, A136763, A136764, A136765, A136766.
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KEYWORD
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nonn,easy,base
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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