

A064931


Numbers n such that the digits of n are also digits of n^3.


1



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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OFFSET

1,2


COMMENTS

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


LINKS

Harvey P. Dale, Table of n, a(n) for n = 1..1000


EXAMPLE

12^3 = 1728, which contains all digits of 12, so 12 is a term of the sequence.


MATHEMATICA

Select[Range[400], Min[DigitCount[#^3]DigitCount[#]]>1&] (* Harvey P. Dale, Nov 24 2018 *)


CROSSREFS

Sequence in context: A139546 A308886 A029776 * A177103 A114454 A008854
Adjacent sequences: A064928 A064929 A064930 * A064932 A064933 A064934


KEYWORD

nonn,base


AUTHOR

Joseph L. Pe, Feb 14 2002


EXTENSIONS

Corrected and Mathematica program replaced by Harvey P. Dale, Nov 24 2018


STATUS

approved



