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Search: id:A100212
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| A100212 |
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Expansion of (x^5+2*x^4)/(1/2*x^2-2*x^6+2*x^5-x^4-1/2*x+1/4). |
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+0
2
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| 0, 0, 0, 0, 8, 20, 24, 8, 0, 0, 0, 0, 128, 320, 384, 128, 0, 0, 0, 0, 2048, 5120, 6144, 2048, 0, 0, 0, 0, 32768, 81920, 98304, 32768, 0, 0, 0, 0, 524288, 1310720, 1572864, 524288, 0, 0, 0, 0, 8388608, 20971520, 25165824, 8388608, 0, 0, 0, 0, 134217728, 335544320
(list; graph; listen)
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OFFSET
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0,5
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COMMENT
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a(n) = 0 iff n == {0, 1, 2 or 3} (mod 8) - Robert G. Wilson v Nov 12 2004.
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FORMULA
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a(8n+4) = a(8n+7) = 2^(4n+3), a(8n+5) = (5/2)*2^(4n+3), a(8n+6) = 3*2^(4n+3), a(8n+8) = 0, a(8n+9) = 0, a(8n+10) = 0, a(8n+11) = 0.
(a(n)) = negseq(.5 'j + .5 'k + .5 j' + .5 k' + 1 'ii' + 1 e)
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MATHEMATICA
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CoefficientList[ Series[(x^5 + 2*x^4)/(x^2/2 - 2*x^6 + 2*x^5 - x^4 - x/2 + 1/4), {x, 0, 55}], x] (from Robert G. Wilson v Nov 12 2004)
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PROGRAM
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Floretion Algebra Multiplication Program, FAMP
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CROSSREFS
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Cf. A100213, A038503, A009116.
Adjacent sequences: A100209 A100210 A100211 this_sequence A100213 A100214 A100215
Sequence in context: A128909 A115147 A022700 this_sequence A083094 A110116 A022757
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KEYWORD
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nonn
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AUTHOR
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Creighton Dement (creighton.k.dement(AT)uni-oldenburg.de), Nov 08 2004
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EXTENSIONS
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More terms from Robert G. Wilson v (rgwv(AT)rgwv.com), Nov 12 2004
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