id:A010887 - OEIS Search Results

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Simple periodic sequence.

+0
2

1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 3, 4, 5, 6, 7, 8, 1, 2, 3, 4, 5, 6, 7, 8, 1 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`Partial sums are given by A130486(n)+n+1. - Hieronymus Fischer (Hieronymus.Fischer(AT)gmx.de), Jun 08 2007`
	FORMULA	`a(n) = 1 + (n mod 8) - Paolo P. Lava (ppl(AT)spl.at), Nov 21 2006` `a(n)=1/2(9-(-1)^n-2(-1)^(b/4)-4(-1)^((b-2+2(-1)^(b/4))/8)) where b=2n-1+(-1)^n. Also a(n)=A010877(n)+1. - G.f.: g(x)=(sum{0<=k<8, (k+1)*x^k})/(1-x^8). Also: g(x)=(8x^9-9x^8+1)/((1-x^8)(1-x)^2). - Hieronymus Fischer (Hieronymus.Fischer(AT)gmx.de), Jun 08 2007`
	CROSSREFS	`Cf. A010872, A010873, A010874, A010875, A010876, A010878, A004526, A002264, A002265, A002266.` `Sequence in context: A004184 A031076 A053844 this_sequence A053830 A033929 A025482` `Adjacent sequences: A010884 A010885 A010886 this_sequence A010888 A010889 A010890`
	KEYWORD	`nonn`
	AUTHOR	`njas`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

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