id:A084006 - OEIS Search Results

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Squares arising as a concatenation of k and 9's complement of k.

+0
6

36, 81, 1089, 4356, 9801, 110889, 443556, 998001, 11108889, 44435556, 99980001, 1111088889, 4444355556, 9999800001, 111110888889, 444443555556, 999998000001, 11111108888889, 44444435555556, 99999980000001 (list; graph; listen)

	OFFSET	`0,1`
	EXAMPLE	`1089 = 33^2 is a concatenation of 10 and 89, 10+89 = 99.`
	CROSSREFS	`Cf. A084004, A084005, A084007.` `Sequence in context: A034813 A111163 A136359 this_sequence A043183 A039360 A043963` `Adjacent sequences: A084003 A084004 A084005 this_sequence A084007 A084008 A084009`
	KEYWORD	`base,nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.comandmenakan_s(AT)yahoo.com), May 23 2003`
	EXTENSIONS	`More terms from Ray Chandler (rayjchandler(AT)sbcglobal.net), May 31 2003`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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