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A013625
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Triangle of coefficients in expansion of (4+7x)^n.
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0
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1, 4, 7, 16, 56, 49, 64, 336, 588, 343, 256, 1792, 4704, 5488, 2401, 1024, 8960, 31360, 54880, 48020, 16807, 4096, 43008, 188160, 439040, 576240, 403368, 117649, 16384, 200704, 1053696, 3073280, 5378240, 5647152, 3294172, 823543
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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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G.f.: 1 / [1 - x(4+7y)].
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MATHEMATICA
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Table[CoefficientList[Expand[(4+7x)^n], x], {n, 0, 10}]//Flatten (* Harvey P. Dale, May 14 2019 *)
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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