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 A054036 Numbers n such that n^2 contains exactly 8 different digits. 10
 3206, 3267, 3268, 3292, 3674, 3678, 3698, 3723, 3734, 4047, 4097, 4157, 4175, 4455, 4537, 4554, 4616, 4634, 4663, 4804, 4814, 4896, 4913, 4967, 4987, 5376, 5529, 5699, 5742, 5853, 5899, 5904, 5905, 5968, 6043, 6071, 6095, 6098, 6127, 6176, 6181, 6199 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS John Cerkan, Table of n, a(n) for n = 1..10000 EXAMPLE 3206 is in the sequence because 3206^2 = 10278436 and 10278436 contains exactly eight different digits: 0, 1, 2, 3, 4, 6, 7 and 8. MAPLE f := []; for i from 0 to 200 do if nops({op(convert(i^2, base, 10))})=8 then f := [op(f), i] fi; od; f; MATHEMATICA Select[Range[7000], Count[DigitCount[#^2], 0]==2&] (* Harvey P. Dale, Aug 10 2017 *) CROSSREFS Cf. A016069, A054031, A054032, A054033, A054034, A054035, A054037, A054038, A054039, A235723. Sequence in context: A023308 A171350 A251396 * A236252 A232262 A048255 Adjacent sequences: A054033 A054034 A054035 * A054037 A054038 A054039 KEYWORD nonn,base AUTHOR Asher Auel (asher.auel(AT)reed.edu), Feb 28 2000 STATUS approved

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Last modified September 26 06:08 EDT 2023. Contains 365653 sequences. (Running on oeis4.)