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Search: id:A111641
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| A111641 |
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Expansion of -(1+x+3*x^2+x^3)/((x^2+4*x+1)*(x^2-2*x-1)). |
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+0
7
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| 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; listen)
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OFFSET
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0,2
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COMMENT
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In reference to the program code, the sequence of Pell numbers A000126 is given by 1kbaseseq[C*J]. A001353 is 1ibaseiseq[C*J].
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PROGRAM
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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
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CROSSREFS
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Cf. A111639, A111640, A111642, A111643, A111644, A000126.
Sequence in context: A083877 A146882 A067971 this_sequence A074419 A147161 A092440
Adjacent sequences: A111638 A111639 A111640 this_sequence A111642 A111643 A111644
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KEYWORD
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easy,sign
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AUTHOR
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Creighton Dement (creighton.k.dement(AT)uni-oldenburg.de), Aug 10 2005
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