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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
OFFSET
1,1
LINKS
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 *)
KEYWORD
base,easy,nonn,fini
AUTHOR
Zhining Yang, Jan 16 2009
STATUS
approved