id:A131091 - OEIS Search Results

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Partial sums of A131707.

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1, 2, 5, 12, 19, 20, 29, 38, 45, 48, 51, 60, 61, 62, 65, 72, 79, 80, 89, 98, 105, 108, 111, 120, 121, 122, 125, 132, 139, 140, 149, 158, 165, 168, 171, 180, 181, 182, 185, 192, 199, 200, 209, 218, 225, 228, 231, 240, 241, 242, 245, 252, 259, 260, 269, 278, 285 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(n)=sum_{i=0..n} A131707(i). A131707(n)= A001333(n) mod 10.` `O.g.f.: (9x^6-6x^5+4x^3+2x^2+1)/((x-1)^2*(x^2+1)(x^4-x^2+1)). - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jul 16 2008`
	CROSSREFS	`Cf. A131725.` `Adjacent sequences: A131088 A131089 A131090 this_sequence A131092 A131093 A131094` `Sequence in context: A002355 A085395 A041641 this_sequence A116728 A095306 A079648`
	KEYWORD	`nonn,easy`
	AUTHOR	`Paul Curtz (bpcrtz(AT)free.fr), Sep 24 2007`
	EXTENSIONS	`Edited by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jul 16 2008`

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Last modified October 12 14:39 EDT 2008. Contains 144830 sequences.

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