A131752 - OEIS

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A131752

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

1, 2, 4, 7, 10, 16, 24, 36, 56, 76, 112, 160 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	CROSSREFS	`Cf. A100719, A131753, A131754.` `Sequence in context: A173726 A000376 A000375 * A062365 A049630 A032705` `Adjacent sequences: A131749 A131750 A131751 * A131753 A131754 A131755`
	KEYWORD	`nonn`
	AUTHOR	`Olivier Gerard (olivier.gerard(AT)gmail.com), Sep 17 2007`

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Last modified February 14 20:13 EST 2012. Contains 205663 sequences.