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A052341
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Shifts left two places under BIN1 transform.
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0
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1, 1, 1, -3, 7, -11, 17, -27, 45, -75, 123, -199, 321, -519, 841, -1363, 2207, -3571, 5777, -9347, 15125, -24475, 39603, -64079, 103681, -167759, 271441, -439203, 710647, -1149851, 1860497, -3010347, 4870845, -7881195, 12752043, -20633239
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OFFSET
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0,4
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LINKS
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Table of n, a(n) for n=0..35.
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FORMULA
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BIN1 sends a to b where b(n) = (-1)^n Sum_{i=0..n} C(n+1, i+1) a(i).
G.f.: (x^4+4*x^3+7*x^2+4*x+1)/((1+x)*(1+x-x^2)*(1+x+x^2)). [sign corrected by Georg Fischer, Apr 15 2020]
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MATHEMATICA
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CoefficientList[Series[(x^4+4*x^3+7*x^2+4*x+1)/((1+x)*(1+x-x^2)*(1+x+x^2)), {x, 0, 45}], x] (* Georg Fischer, Apr 15 2020 *)
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CROSSREFS
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Sequence in context: A350146 A194069 A088206 * A038949 A106967 A045420
Adjacent sequences: A052338 A052339 A052340 * A052342 A052343 A052344
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KEYWORD
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sign,eigen
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AUTHOR
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Christian G. Bower, Jan 09 2000
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STATUS
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approved
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