id:A031154 - OEIS Search Results

Search: id:A031154

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Numbers n such that n^2 contains only digits {2,4,5}.

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2, 5, 15, 65, 235, 665, 2132, 2335, 6515, 6665, 23335, 47162, 66515, 66665, 67485, 233335, 235065, 666515, 666665, 2333335, 6666515, 6666665, 23333335, 64980962, 66666515, 66666665, 233333335, 666666515, 666666665, 2333333335, 5044357665 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`P. De Geest, Squares containing at most three distinct digits, Index entries for related sequences` `Author?, Source(txt)`
	CROSSREFS	`Cf. A031152.` `Sequence in context: A030837 A130756 A078793 this_sequence A090091 A090130 A133645` `Adjacent sequences: A031151 A031152 A031153 this_sequence A031155 A031156 A031157`
	KEYWORD	`nonn,base`
	AUTHOR	`Patrick De Geest (pdg(AT)worldofnumbers.com)`
	EXTENSIONS	`Extended and corrected by author Mar 15 2000.` `More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 03 2005`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

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