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Search: id:A054032
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A054032 Numbers n such that n^2 contains exactly 4 different digits. +0
9
32, 33, 36, 37, 42, 43, 44, 48, 49, 51, 52, 53, 54, 55, 57, 59, 61, 64, 66, 69, 71, 72, 73, 74, 78, 79, 82, 84, 86, 87, 89, 93, 95, 96, 98, 99, 103, 104, 105, 106, 112, 114, 115, 123, 125, 127, 130, 132, 135, 138, 139, 140, 143, 145, 146, 151, 155, 156, 157, 158 (list; graph; listen)
OFFSET

1,1

MAPLE

f := []; for i from 0 to 200 do if nops({op(convert(i^2, base, 10))})=4 then f := [op(f), i] fi; od; f;

CROSSREFS

Cf. A016069, A054031, A054033, A054034, A054035, A054036, A054037, A054038, A054039.

Sequence in context: A115421 A108927 A085259 this_sequence A134843 A134844 A151983

Adjacent sequences: A054029 A054030 A054031 this_sequence A054033 A054034 A054035

KEYWORD

nonn,base

AUTHOR

Asher Auel (asher.auel(AT)reed.edu) Feb 29 2000

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Last modified November 22 20:51 EST 2009. Contains 167312 sequences.


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