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A054034
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Numbers n such that n^2 contains exactly 6 different digits.
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10
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322, 323, 324, 328, 352, 353, 364, 367, 374, 375, 397, 403, 405, 413, 416, 425, 442, 445, 456, 458, 463, 487, 504, 507, 508, 509, 529, 542, 557, 564, 567, 571, 572, 574, 584, 589, 591, 593, 597, 598, 616, 618, 621, 625, 626, 629, 634, 637, 639, 645, 647
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OFFSET
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1,1
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LINKS
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MAPLE
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f := []; for i from 0 to 200 do if nops({op(convert(i^2, base, 10))})=6 then f := [op(f), i] fi; od; f;
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MATHEMATICA
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Select[Range[700], Count[DigitCount[#^2], 0]==4&] (* Harvey P. Dale, May 10 2021 *)
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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STATUS
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approved
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