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Search: id:A110294
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| 1, -8, 15, -112, 209, -1560, 2911, -21728, 40545, -302632, 564719, -4215120, 7865521, -58709048, 109552575, -817711552, 1525870529, -11389252680, 21252634831, -158631825968, 296011017105, -2209456310872, 4122901604639, -30773756526240, 57424611447841
(list; graph; listen)
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OFFSET
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0,2
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COMMENT
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See A110293.
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FORMULA
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G.f. (1-8*x+x^2)/((x^2-4*x+1)*(x^2+4*x+1))
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MAPLE
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seriestolist(series((1-8*x+x^2)/((x^2-4*x+1)*(x^2+4*x+1)), x=0, 25)); -or- Floretion Algebra Multiplication Program, FAMP Code: 1jeszapseq[A*B] with A = - 'j + 'k - j' + k' - 'ii' - 'ij' - 'ik' - 'ji' - 'ki' and B = + .5'ij' + .5'ji'
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CROSSREFS
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Cf. A001570, A011943, A110293.
Adjacent sequences: A110291 A110292 A110293 this_sequence A110295 A110296 A110297
Sequence in context: A037377 A048732 A015442 this_sequence A110459 A132374 A067686
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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), Jul 18 2005
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