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A064931
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Numbers n such that the digits of n are also digits of n^3.
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1
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1, 4, 5, 6, 9, 10, 11, 12, 21, 24, 25, 29, 32, 33, 34, 39, 40, 49, 50, 51, 54, 56, 59, 60, 61, 64, 65, 67, 71, 72, 73, 75, 76, 90, 97, 99, 100, 101, 102, 106, 109, 110, 114, 119, 120, 124, 125, 129, 137, 153, 176, 201, 202, 210, 212, 224, 228, 231, 233, 236
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refs;
listen;
history;
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internal format)
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OFFSET
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1,2
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COMMENTS
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Presumably if a digit d appears k times in n, then it should appear at least k times in n^3. - N. J. A. Sloane, Nov 24 2018
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LINKS
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Harvey P. Dale, Table of n, a(n) for n = 1..1000
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EXAMPLE
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12^3 = 1728, which contains all digits of 12, so 12 is a term of the sequence.
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MATHEMATICA
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Select[Range[400], Min[DigitCount[#^3]-DigitCount[#]]>-1&] (* Harvey P. Dale, Nov 24 2018 *)
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CROSSREFS
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Sequence in context: A139546 A308886 A029776 * A177103 A114454 A008854
Adjacent sequences: A064928 A064929 A064930 * A064932 A064933 A064934
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KEYWORD
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nonn,base
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AUTHOR
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Joseph L. Pe, Feb 14 2002
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EXTENSIONS
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Corrected and Mathematica program replaced by Harvey P. Dale, Nov 24 2018
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STATUS
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approved
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