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A137578 Smallest of the least frequent digits in decimal representation of n!. 3
0, 0, 0, 0, 0, 3, 1, 1, 1, 1, 1, 2, 2, 1, 3, 2, 1, 1, 1, 7, 5, 3, 3, 1, 5, 6, 7, 2, 2, 2, 7, 3, 4, 2, 1, 8, 5, 8, 8, 5, 3, 9, 2, 4, 9, 8, 3, 7, 9, 9, 5, 4, 1, 1, 5, 7, 2, 3, 6, 5, 5, 1, 4, 5, 7, 1, 5, 3, 6, 6, 3, 4, 5, 9, 6, 3, 1, 5, 9, 4, 9, 3, 5, 8, 4, 8, 1, 6, 7, 4, 2, 3, 9, 9, 9, 1, 2, 4, 1, 7, 7 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,6
COMMENTS
a(n) <= A137577(n).
LINKS
EXAMPLE
n=10: 10! = 3628800 => a(10) = Min{1,4,5,7,9} = 1;
n=11: 11! = 39916800 => a(11) = Min{2,4,5,7} = 2.
CROSSREFS
Sequence in context: A348969 A030380 A066636 * A200146 A319095 A109390
KEYWORD
nonn,base
AUTHOR
Reinhard Zumkeller, Jan 27 2008
STATUS
approved

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Last modified March 29 02:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)