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A111641 Expansion of -(1+x+3*x^2+x^3)/((x^2+4*x+1)*(x^2-2*x-1)). 6
1, -5, 25, -107, 433, -1697, 6529, -24839, 93841, -352973, 1323961, -4957139, 18539041, -69282185, 258790465, -966364367, 3607837153, -13467809237, 50270219929, -187629535739, 700287673681, -2613617125553, 9754412512321, -36404592257879, 135865306871281 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

In reference to the program code, the sequence of Pell numbers A000126 is given by 1kbaseseq[C*J]. A001353 is 1ibaseiseq[C*J].

LINKS

Table of n, a(n) for n=0..24.

PROG

Floretion Algebra Multiplication Program, FAMP Code: 1lestesseq[C*J] with C = - 'j + 'k - j' + k' - 'ii' - 'ij' - 'ik' - 'ji' - 'ki' and J = + j' + k' + 1.5'ii' + .5'jj' + .5'kk' + .5e

CROSSREFS

Cf. A111639, A111640, A111642, A111643, A111644, A000126.

Sequence in context: A067971 A266424 A224129 * A074419 A247105 A272249

Adjacent sequences:  A111638 A111639 A111640 * A111642 A111643 A111644

KEYWORD

easy,sign

AUTHOR

Creighton Dement, Aug 10 2005

STATUS

approved

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Last modified May 28 07:57 EDT 2017. Contains 287212 sequences.