A027675 - OEIS

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A027675

When squared gives number composed of digits {1,4,9}.

1, 2, 3, 7, 12, 21, 38, 107, 212, 31488, 70107, 387288, 95610729, 446653271, 3148717107, 21081079479, 648070211589107021 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	LINKS	`P. De Geest, Squares containing at most three distinct digits, Index entries for related sequences` `P. De Geest, Palindromic Squares` `A. Ottens, The arithmetic-digits-squares-three.digits problem` `Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.`
	CROSSREFS	`Cf. A006716.` `Sequence in context: A157605 A056179 A184696 * A054176 A000630 A198486` `Adjacent sequences: A027672 A027673 A027674 * A027676 A027677 A027678`
	KEYWORD	`nonn,base,more`
	AUTHOR	`Patrick De Geest (pdg(AT)worldofnumbers.com)`

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Last modified February 13 06:53 EST 2012. Contains 205451 sequences.