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A196676
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Expansion of (1-8x)/(1-25x).
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1
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1, 17, 425, 10625, 265625, 6640625, 166015625, 4150390625, 103759765625, 2593994140625, 64849853515625, 1621246337890625, 40531158447265625, 1013278961181640625, 25331974029541015625, 633299350738525390625
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OFFSET
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0,2
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LINKS
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FORMULA
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a(0) = 1, a(n) = 17*25^(n-1) for n>0.
a(n) = Sum_0<=k<=n {A193722(n,k)*8^k}.
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MATHEMATICA
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CoefficientList[Series[(1-8x)/(1-25x), {x, 0, 30}], x] (* Harvey P. Dale, Apr 29 2014 *)
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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