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A100744
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Inverse modulo 2 binomial transform of (-2)^n.
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0
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1, -3, 3, -9, 15, -45, 45, -135, 255, -765, 765, -2295, 3825, -11475, 11475, -34425, 65535, -196605, 196605, -589815, 983025, -2949075, 2949075, -8847225, 16711425, -50134275, 50134275, -150402825, 250671375, -752014125, 752014125
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OFFSET
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0,2
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COMMENTS
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(-2)^n may be retrieved as sum{k=0..n, mod(binomial(n,k),2)*a(k)}.
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LINKS
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FORMULA
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a(n)=sum{k=0..n, (-1)^A010060(n-k)*mod(binomial(n, k), 2)(-2)^k}.
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CROSSREFS
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KEYWORD
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easy,sign
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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