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A111644 Expansion of -(1+x^2)/((x^2+4*x+1)*(x^2-2*x-1)). 4
1, -6, 29, -124, 501, -1962, 7545, -28696, 108393, -407662, 1528981, -5724500, 21408221, -80003026, 298832369, -1115878064, 4166011601, -15551383382, 58047283725, -216656490156, 808623915973, -3017948390522, 11263433318761, -42036421446600, 156883789264441 (list; graph; refs; listen; history; 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].

PROG

Floretion Algebra Multiplication Program, FAMP Code: 1basejseq[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, A111641, A111642, A111643, A111645, A000126.

Sequence in context: A006816 A184130 A061648 * A081278 A054146 A172062

Adjacent sequences:  A111641 A111642 A111643 * A111645 A111646 A111647

KEYWORD

easy,sign

AUTHOR

Creighton Dement (creighton.k.dement(AT)uni-oldenburg.de), Aug 10 2005

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Last modified February 14 23:04 EST 2012. Contains 205686 sequences.