id:A054031 - OEIS Search Results

Search: id:A054031

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Numbers n such that n^2 contains exactly 3 different digits.

+0
9

13, 14, 16, 17, 18, 19, 23, 24, 25, 27, 28, 29, 31, 34, 35, 39, 40, 41, 45, 46, 47, 50, 56, 58, 60, 62, 63, 65, 67, 68, 70, 75, 76, 77, 80, 81, 83, 85, 90, 91, 92, 94, 97, 101, 102, 107, 108, 110, 111, 119, 120, 121, 122, 129, 131, 141, 149, 150, 162, 165, 168, 188 (list; graph; listen)

	OFFSET	`1,1`
	MAPLE	`f := []; for i from 0 to 200 do if nops({op(convert(i^2, base, 10))})=3 then f := [op(f), i] fi; od; f;`
	CROSSREFS	`Cf. A016069, A054032, A054033, A054034, A054035, A054036, A054037, A054038, A054039.` `Sequence in context: A108854 A106007 A048037 this_sequence A060275 A083984 A079495` `Adjacent sequences: A054028 A054029 A054030 this_sequence A054032 A054033 A054034`
	KEYWORD	`nonn`
	AUTHOR	`Asher Auel (asher.auel(AT)reed.edu) Feb 29 2000`

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Last modified July 4 18:25 EDT 2008. Contains 140886 sequences.

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