id:A135259 - OEIS Search Results

Search: id:A135259

Displaying 1-1 of 1 results found.

page 1

a(n)=3*A131666(n)-A131666(n+1).

+0
1

0, -1, 2, 1, 3, 2, 7, 13, 30, 57, 115, 226, 455, 909, 1822, 3641, 7283, 14562, 29127, 58253, 116510, 233017, 466035, 932066, 1864135, 3728269, 7456542, 14913081, 29826163, 59652322, 119304647, 238609293, 477218590, 954437177, 1908874355, 3817748706 (list; graph; listen)

	OFFSET	`0,3`
	FORMULA	`A131666(n)-a(n)=A092220(n).` `O.g.f.: x(x-1)(3x-1)/((2x-1)(x+1)(1-x+x^2)). - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jul 22 2008`
	CROSSREFS	`Sequence in context: A082833 A101709 A005247 this_sequence A122147 A141486 A144243` `Adjacent sequences: A135256 A135257 A135258 this_sequence A135260 A135261 A135262`
	KEYWORD	`sign`
	AUTHOR	`Paul Curtz (bpcrtz(AT)free.fr), Dec 01 2007`
	EXTENSIONS	`Edited and extended by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jul 22 2008`

page 1

Search completed in 0.002 seconds

Last modified December 6 22:55 EST 2009. Contains 170429 sequences.

AT&T Labs Research