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A154875 Numbers n such that n^4 contains every digit exactly 3 times. 1
17824719, 17940018, 18027474, 18197931, 18326025, 18798396, 18915888, 18929424, 19027455, 19149462, 19180275, 19196064, 19235673, 19311297, 19322913, 19324275, 19328322, 19455918, 19522575, 19757886, 19793664 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Harvey P. Dale, Table of n, a(n) for n = 1..172

EXAMPLE

22807116^4=270571148920443982076865351936, which contains exactly 3 times of each digit 0-9. Total 172 terms

MATHEMATICA

Select[Range[17824000, 31608000], Union[Tally[IntegerDigits[#^4]][[All, 2]]]=={3}&] (* Harvey P. Dale, Dec 24 2016 *)

CROSSREFS

A054038 A074205 A154532 A154566 A154871 A154873 A154874

Sequence in context: A235848 A250981 A159192 * A015353 A083619 A257550

Adjacent sequences:  A154872 A154873 A154874 * A154876 A154877 A154878

KEYWORD

base,easy,nonn,fini

AUTHOR

Zhining Yang, Jan 16 2009

STATUS

approved

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Last modified May 19 03:16 EDT 2019. Contains 323377 sequences. (Running on oeis4.)