id:A115528 - OEIS Search Results

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Numbers n such that the square of n is the concatenation of two numbers m and 2*m.

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6, 28571428571428571428572, 42857142857142857142858, 57142857142857142857144, 2247191011235955056179775280898876404494382022471910112360 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`6^2 = 3_6.`
	CROSSREFS	`Cf. A102567, A106497, A115527 - A115556.` `Sequence in context: A058457 A072240 A079683 this_sequence A106226 A005070 A135435` `Adjacent sequences: A115525 A115526 A115527 this_sequence A115529 A115530 A115531`
	KEYWORD	`nonn,base`
	AUTHOR	`Giovanni Resta (g.resta(AT)iit.cnr.it), Jan 25 2006`

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.

AT&T Labs Research