A131754 - OEIS

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A131754

Size of the largest subset of {1,2,...,n} such that no two distinct elements differ by a perfect square > 1.

1, 2, 3, 4, 4, 4, 4, 4, 5, 5, 6, 6, 6, 7, 8, 8 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	CROSSREFS	`Cf. A100719, A131752, A131753.` `Sequence in context: A122815 A029127 A195851 * A120510 A029117 A195850` `Adjacent sequences: A131751 A131752 A131753 * A131755 A131756 A131757`
	KEYWORD	`nonn`
	AUTHOR	`Olivier Gerard (olivier.gerard(AT)gmail.com), Sep 17 2007`

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Last modified February 15 13:49 EST 2012. Contains 205810 sequences.