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A025130
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Expansion of 1/((1-x)(1-9x)(1-11x)(1-12x)).
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0
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1, 33, 718, 12978, 211099, 3208611, 46530856, 652053876, 8903593717, 119147391909, 1569038275714, 20395728301494, 262306431768655, 3343671393938727, 42305729458640092, 531898781072416632
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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(n)=(80*12^(n+3)-132*11^(n+3)+55*9^(n+3)-3)/2640. [Yahia Kahloune, May 29 2013].
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MATHEMATICA
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CoefficientList[Series[1/((1 - x) (1 - 9 x) (1 - 11 x) (1 - 12 x)), {x, 0, 20}], x] (* Wesley Ivan Hurt, Nov 17 2022 *)
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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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