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A064210
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Numbers n such that sum of the digits of n is >= the sum of the digits of n^4.
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2
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1, 7, 10, 19, 67, 70, 100, 190, 670, 700, 1000, 1900, 6700, 7000, 10000, 19000, 67000, 70000, 100000, 124499, 190000, 670000, 700000, 1000000, 1244990, 1900000, 6700000, 7000000, 10000000, 12449900, 19000000, 67000000, 70000000, 100000000
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OFFSET
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1,2
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COMMENTS
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If n is in the sequence, so is 10n. See A122484 for the subsequence of terms not ending in "0". [Charles R Greathouse IV, Jan 12 2012]
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LINKS
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Table of n, a(n) for n=1..34.
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MATHEMATICA
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Select[ Range[ 10^7 ], Apply[ Plus, IntegerDigits[ # ]] >= Apply[ Plus, IntegerDigits[ #^4 ]] & ]
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CROSSREFS
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Sequence in context: A196939 A038211 A122226 * A097634 A120312 A074377
Adjacent sequences: A064207 A064208 A064209 * A064211 A064212 A064213
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KEYWORD
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base,nonn
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AUTHOR
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Robert G. Wilson v, Sep 21 2001
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EXTENSIONS
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More terms from Martin Raab, Aug 08 2006
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STATUS
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approved
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