id:A165740 - OEIS Search Results

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Positive integers n such that solution to the toric n x n "Lights Out" puzzle is not unique (up to the order of flippings; each flipping appears at most once).

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3, 5, 6, 9, 10, 12, 15, 17, 18, 20, 21, 24, 25, 27, 30, 31, 33, 34, 35, 36, 39, 40, 42, 45, 48, 50, 51, 54, 55, 57, 60, 62, 63, 65, 66, 68, 69, 70, 72, 75, 78, 80, 81, 84, 85, 87, 90, 93, 95, 96, 99, 100, 102, 105, 108, 110, 111, 114, 115, 117, 119, 120, 123, 124, 125, 126 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Complement to the sequence A165741 in the set of positive integers.`
	REFERENCES	`See A165738 for the references.`
	FORMULA	`n is in this sequence iff A165738(n)>0.`
	CROSSREFS	`Cf. A159257, A075462, A117870, A165741.` `Sequence in context: A065871 A128291 A081121 this_sequence A080307 A001969 A075311` `Adjacent sequences: A165737 A165738 A165739 this_sequence A165741 A165742 A165743`
	KEYWORD	`nonn`
	AUTHOR	`Max Alekseyev (maxale(AT)gmail.com), Sep 25 2009`

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.

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