A103135 - OEIS

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A103135

G.f. (-3x^3-18x^2+14x-1)/(3x^4-5x^2+4x-1).

1, -10, -27, -55, -82, -83, -3, 238, 721, 1445, 2166, 2153, -55, -6650, -19827, -39599, -59426, -59659, -987, 175550, 528857, 1058701, 1587558, 1583377, -17711, -4811626, -14395275, -28772839, -43168114, -43243139, -317811, 128625934, 386588449, 773494709, 1160083158, 1158736889 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	COMMENTS	`A floretion-generated sequence which emerges as a transformation of A000004. a(6n+6)= A103134(n).` `It appears that Fib(6n+1) = a(6n+4) - a(6n+5). - Creighton Dement (creighton.k.dement(AT)uni-oldenburg.de), Jan 31 2005`
	LINKS	`Index entries for sequences related to linear recurrences with constant coefficients`
	FORMULA	`a(n) = -9*A057083(n-1) - Fib(n-2). - Ralf Stephan, May 18 2007`
	PROG	`Floretion Algebra Multiplication Program. FAMP code: 4lesforcycseq[ - .25'i + .5'j - .25i' - .5j' + .5k' - .25'ii' + .75'jj' - .25'kk' + .5'ji' + .25'jk' + .25'kj' + .75e ] Note: vesforcycseq = A000004, 4lesforseq gives A000045, vesseq gives A057681.`
	CROSSREFS	`Cf. A103134.` `Sequence in context: A043887 A161450 A001107 * A008468 A179546 A119548` `Adjacent sequences: A103132 A103133 A103134 * A103136 A103137 A103138`
	KEYWORD	`sign,obsc`
	AUTHOR	`Creighton Dement (creighton.k.dement(AT)uni-oldenburg.de), Jan 24 2005`
	EXTENSIONS	`Definition not clear to me. A000004 is the zero sequence! N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 16 21:51 EST 2012. Contains 205978 sequences.