id:A088068 - OEIS Search Results

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Squares sandwiched between two numbers divisible by squares.

+0
2

49, 1681, 1849, 3249, 6724, 8649, 9801, 11449, 13689, 13924, 20449, 24649, 28224, 37249, 42849, 57121, 59049, 63001, 66049, 85849, 94249, 106929, 110224, 117649, 127449, 135424, 154449, 165649, 190969, 196249, 208849, 243049, 257049, 265225 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Sequence is infinite. k^2 is a member if k == 7 (mod 50), or k == -7 (mod 50).`
	EXAMPLE	`49 is a member as 48 and 50 are divisible by squares.`
	CROSSREFS	`Cf. A088069.` `Sequence in context: A001458 A004374 A069327 this_sequence A008843 A145848 A014942` `Adjacent sequences: A088065 A088066 A088067 this_sequence A088069 A088070 A088071`
	KEYWORD	`nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Sep 22 2003`
	EXTENSIONS	`Corrected and extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Sep 27 2003`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

AT&T Labs Research