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A181573
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Impossible numbers of trailing zeros in the decimal representation of a factorial of any prime.
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1
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5, 11, 17, 21, 23, 27, 28, 29, 30, 34, 36, 42, 45, 48, 49, 50, 52, 54, 59, 60, 61, 67, 70, 72, 73, 74, 78, 79, 80, 83, 85, 88, 91, 92, 96, 98, 101, 104, 105, 110, 111, 115, 116, 118, 122, 123, 126, 127, 129, 130, 131, 132, 135, 136, 141, 143, 147, 152, 153, 154, 155
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OFFSET
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1,1
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COMMENTS
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No entry of A039716 ends with 5, 11, 17, 21,... consecutive zeros.
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LINKS
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MATHEMATICA
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f[n_] := IntegerExponent[Prime@n!, 10]; Complement[ Range[0, 157], Array[f, 115]] (* Robert G. Wilson v, Nov 05 2010 *)
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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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EXTENSIONS
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Definition rephrased, keyword:base added by R. J. Mathar, Nov 03 2010
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STATUS
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approved
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