id:A010883 - OEIS Search Results

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Simple periodic sequence: repeat 1,2,3,4.

+0
1

1, 2, 3, 4, 1, 2, 3, 4, 1, 2, 3, 4, 1, 2, 3, 4, 1, 2, 3, 4, 1, 2, 3, 4, 1, 2, 3, 4, 1, 2, 3, 4, 1, 2, 3, 4, 1, 2, 3, 4, 1, 2, 3, 4, 1, 2, 3, 4, 1, 2, 3, 4, 1, 2, 3, 4, 1, 2, 3, 4, 1, 2, 3, 4, 1, 2, 3, 4, 1, 2, 3, 4, 1, 2, 3, 4, 1, 2, 3, 4, 1 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`Partial sums are given by A130482(n)+n+1. - Hieronymus Fischer (Hieronymus.Fischer(AT)gmx.de), Jun 08 2007`
	FORMULA	`a(n) = 1 + (n mod 4) - Paolo P. Lava (ppl(AT)spl.at), Nov 21 2006` `a(n)=A010873(n)+1. Also a(n)=1/2(5-(-1)^n-2(-1)^((2n-1+(-1)^n)/4))). G.f.: g(x)=(4x^3+3x^2+2x+1)/(1-x^4)=(4x^5-5x^4+1)/((1-x^4)(1-x)^2). - Hieronymus Fischer (Hieronymus.Fischer(AT)gmx.de), Jun 08 2007`
	CROSSREFS	`Cf. A010872, A010873, A010874, A010875, A010876, A004526, A002264, A002265, A002266.` `Sequence in context: A084310 A078978 A053840 this_sequence A011542 A053344 A092196` `Adjacent sequences: A010880 A010881 A010882 this_sequence A010884 A010885 A010886`
	KEYWORD	`nonn`
	AUTHOR	`njas`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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