id:A112335 - OEIS Search Results

Search: id:A112335

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Row sums of number triangle A112334.

+0
2

1, -1, -4, -7, -10, -13, -16, -19, -22, -25, -28, -31, -34, -37, -40, -43, -46, -49, -52, -55, -58, -61, -64, -67, -70, -73, -76, -79, -82, -85, -88, -91, -94, -97, -100, -103, -106, -109, -112, -115, -118, -121, -124, -127, -130, -133, -136, -139, -142, -145, -148, -151, -154, -157, -160, -163, -166, -169 (list; graph; listen)

	OFFSET	`0,3`
	FORMULA	`G.f.: (1-3x-x^2)/(1-x)^2; E.g.f.: exp(x)*(2-3x)-1; a(n)=2-3n-0^n.`
	CROSSREFS	`Sequence in context: A075990 A026314 A070300 this_sequence A145289 A016777 A143460` `Adjacent sequences: A112332 A112333 A112334 this_sequence A112336 A112337 A112338`
	KEYWORD	`easy,sign`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Sep 04 2005`

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.

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