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A186772
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Largest coefficient of (1)(1+1x)(1+1x+2x^2)*...*(1+1x+2x^2+...+n*x^n).
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4
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1, 1, 3, 14, 122, 1538, 28160, 687216, 21985504, 877927620, 43310174393, 2579819875036, 182645907850321, 15166854447512754, 1459204576675950496, 161391028121114185561, 20297024256655626819933, 2880152675051053471691329, 458990926597368013495650709
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OFFSET
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1,3
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LINKS
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MATHEMATICA
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f[n_] := Max@ CoefficientList[ Expand@ Product[1 + Sum[i*x^i, {i, j}], {j, n - 1}], x]; Array[f, 19]
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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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