id:A102646 - OEIS Search Results

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Numbers of form j k^2 with 1 <= j <= k, gcd(j,k) = 1.

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1, 4, 9, 16, 18, 25, 36, 48, 49, 50, 64, 75, 81, 98, 100, 121, 144, 147, 162, 169, 180, 192, 196, 225, 242, 245, 256, 289, 294, 300, 320, 324, 338, 361, 363, 400, 405, 441, 448, 450, 484, 507, 529, 567, 576, 578, 588, 605, 625, 648, 676, 700, 720, 722, 726, 729 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`Numbers n such that A102448(n) >= 1.` `All positive squares x^2 are in the sequence with j = 1, k = x.`
	LINKS	`Leroy Quet, Home Page (listed in lieu of email address)`
	EXAMPLE	`180 is in the sequence with j = 5, k = 6.`
	CROSSREFS	`Cf. A102448.` `Sequence in context: A122379 A104020 A066694 this_sequence A104021 A073804 A015871` `Adjacent sequences: A102643 A102644 A102645 this_sequence A102647 A102648 A102649`
	KEYWORD	`nonn`
	AUTHOR	`Leroy Quet Feb 25 2005`
	EXTENSIONS	`Edited by David W. Wilson (davidwwilson(AT)comcast.net), Sep 03 2005`

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.

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