id:A089520 - OEIS Search Results

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In the game of life, the number of steps it takes for an n X n square, in which all the cells are in the "on" state, to die out or start to cycle.

+0
2

1, 0, 5, 4, 11, 5, 5, 6, 16, 17, 32, 9, 18, 9, 22, 11, 33, 17, 20, 12, 26, 13, 48, 15, 46, 26, 295, 45, 154, 38, 62, 309, 38, 87, 78, 53, 96, 150, 641, 69, 82, 265, 216, 70, 70, 70, 120, 401, 107, 78, 70, 351, 318, 109, 297, 95, 122, 947, 228, 85 (list; graph; listen)

	OFFSET	`1,3`
	LINKS	`D. Griffeath, Life32 by Johan Bontes.` `S. Silver, Life Lexicon.`
	EXAMPLE	`a(1) = 1 since a single cell is switched off on step 1` `a(2) = 0 since a block is cyclic to start with ( a(2,0)=a(2,1) )`
	CROSSREFS	`Cf. A019473, A086993.` `Sequence in context: A152064 A088482 A163888 this_sequence A163524 A051552 A165367` `Adjacent sequences: A089517 A089518 A089519 this_sequence A089521 A089522 A089523`
	KEYWORD	`nonn`
	AUTHOR	`Anne M. Donovan (anned3005(AT)aol.com) Nov 05 2003`
	EXTENSIONS	`More terms from John W. Layman (layman(AT)math.vt.edu), Nov 07 2003` `39 more terms from Rick L. Shepherd (rshepherd2(AT)hotmail.com), Jun 04 2004`

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Last modified December 7 08:40 EST 2009. Contains 170430 sequences.

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