id:A062186 - OEIS Search Results

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a(n)=a(n-1)-a([n/2]) with a(1)=1.

+0
3

1, 0, -1, -1, -1, 0, 1, 2, 3, 4, 5, 5, 5, 4, 3, 1, -1, -4, -7, -11, -15, -20, -25, -30, -35, -40, -45, -49, -53, -56, -59, -60, -61, -60, -59, -55, -51, -44, -37, -26, -15, 0, 15, 35, 55, 80, 105, 135, 165, 200, 235, 275, 315, 360, 405, 454, 503, 556, 609, 665, 721, 780, 839, 899, 959, 1020, 1081, 1141, 1201, 1260 (list; graph; listen)

	OFFSET	`1,8`
	COMMENT	`Period of oscillations above and below the axis more than doubles at each cycle.`
	EXAMPLE	`a(14)=a(13)-a(7)=5-1=4. a(15)=a(14)-a(7)=4-1=3.`
	CROSSREFS	`Cf. A033485, A062187, A062188.` `Sequence in context: A100771 A113771 A131845 this_sequence A085763 A062985 A093392` `Adjacent sequences: A062183 A062184 A062185 this_sequence A062187 A062188 A062189`
	KEYWORD	`sign`
	AUTHOR	`Henry Bottomley (se16(AT)btinternet.com), Jun 13 2001`

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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.

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