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A111643 Expansion of 2*(x+1)^2/((x^2+4*x+1)*(x^2-2*x-1)). 6
-2, 8, -34, 136, -530, 2032, -7714, 29104, -109378, 410040, -1534722, 5738360, -21441682, 80083808, -299027394, 1116348896, -4167148290, 15554127592, -58053908834, 216672484584, -808662529938, 3018041612880, -11263658377442, 42036964786320, -156885101002562 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

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: 1baseiseq[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, A111644, A000126.

Sequence in context: A026577 A204090 A226495 * A000163 A117616 A228655

Adjacent sequences:  A111640 A111641 A111642 * A111644 A111645 A111646

KEYWORD

easy,sign

AUTHOR

Creighton Dement, Aug 10 2005

STATUS

approved

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Last modified October 22 02:06 EDT 2017. Contains 293756 sequences.