id:A050823 - OEIS Search Results

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Even numbers in Hofstadter Q-sequence a(n)=a(n-a(n-1))+a(n-a(n-2)).

+0
2

2, 4, 6, 6, 6, 8, 8, 8, 10, 10, 12, 12, 12, 12, 16, 14, 14, 16, 16, 16, 16, 20, 20, 20, 22, 22, 24, 24, 24, 24, 24, 32, 24, 30, 28, 26, 30, 30, 28, 32, 30, 32, 32, 32, 32, 40, 38, 40, 38, 40, 40, 42, 40, 44, 46, 44, 46, 48, 48, 48, 48, 48, 48, 64, 52, 54, 56, 48, 54, 54, 50, 60 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Cf. A005185.` `Sequence in context: A054584 A049041 A092337 this_sequence A050825 A111150 A078611` `Adjacent sequences: A050820 A050821 A050822 this_sequence A050824 A050825 A050826`
	KEYWORD	`nonn,easy`
	AUTHOR	`Mohammad K. Azarian, azarian(AT)evansville.edu`
	EXTENSIONS	`More terms from James A. Sellers (sellersj(AT)math.psu.edu)`

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Last modified September 7 15:23 EDT 2008. Contains 143483 sequences.

AT&T Labs Research