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A094027
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Expansion of x(1+100x)/((1-x^2)(1-100x^2)).
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1
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0, 1, 100, 101, 10100, 10101, 1010100, 1010101, 101010100, 101010101, 10101010100, 10101010101, 1010101010100, 1010101010101, 101010101010100, 101010101010101, 10101010101010100, 10101010101010101
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OFFSET
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0,3
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COMMENTS
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The expansion of x(1+kx)/((1-x^2)(1-kx^2)) has a(n)=k^((n+1)/2)/(2(sqrt(k)-1))-(-sqrt(k))^(n+1)/(2(sqrt(k)+1))-(-1)^n/2-(k+1)/(2(k-1))
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LINKS
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FORMULA
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a(n)=2^n*5^(n+1)((-1)^n/11+1/9)-(-1)^n/2-101/198
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CROSSREFS
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KEYWORD
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easy,nonn
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AUTHOR
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STATUS
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approved
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