id:A135033 - OEIS Search Results

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Period 5: repeat 2,4,6,8,0.

+0
1

2, 4, 6, 8, 0, 2, 4, 6, 8, 0, 2, 4, 6, 8, 0, 2, 4, 6, 8, 0, 2, 4, 6, 8, 0, 2, 4, 6, 8, 0, 2, 4, 6, 8, 0, 2, 4, 6, 8, 0, 2, 4, 6, 8, 0, 2, 4, 6, 8, 0, 2, 4, 6, 8, 0, 2, 4, 6, 8, 0, 2, 4, 6, 8, 0, 2, 4, 6, 8, 0, 2, 4, 6, 8, 0, 2, 4, 6, 8, 0, 2, 4, 6, 8, 0, 2, 4, 6, 8, 0, 2, 4, 6, 8, 0, 2, 4, 6, 8, 0, 2, 4, 6, 8, 0 (list; graph; listen)

	OFFSET	`0,1`
	COMMENT	`"Cheerleader" sequence: reminiscent of the old cheer, "Two, Four, Six, Eight, Who do we appreciate!".`
	FORMULA	`a(n) = 2[(n+1) mod 5]` `a(n) = 2A010874(n+1). O.g.f.: -2(1+2x+3x^2+4x^3)/[(x-1)(1+x+x^2+x^3+x^4)]. - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Feb 14 2008`
	EXAMPLE	`a(0) = 2[(0+1) mod 5] = 2(1 mod 5) = 2`
	CROSSREFS	`Sequence in context: A105176 A061937 A065804 this_sequence A004520 A073909 A036211` `Adjacent sequences: A135030 A135031 A135032 this_sequence A135034 A135035 A135036`
	KEYWORD	`easy,nonn`
	AUTHOR	`William A. Tedeschi (fynmun(AT)hotmail.com), Feb 10 2008`

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Last modified July 26 23:19 EDT 2008. Contains 142293 sequences.

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