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A274600
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Coefficients in an asymptotic expansion of sequence A002893.
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2
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1, -1, 1, 2, 7, 59, 616, 6992, 90847, 1352549, 22591681, 417527582, 8465505412, 186906393764, 4463901355096, 114672825810272, 3153127461349327, 92405864554182329, 2875362251645606611, 94680648376734042062, 3289274269898822961967, 120235993277078434540619
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OFFSET
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0,4
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LINKS
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FORMULA
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Conjecture: a(n) ~ (2/log(3))^n * (n-1)! / (Pi*sqrt(3)).
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EXAMPLE
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A002893(n) ~ 3^(2*n+3/2)/(4*Pi*n) * (1 - 1/(4*n) + 1/(4*n)^2 + 2/(4*n)^3 + 7/(4*n)^4 + 59/(4*n)^5 + ...)
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CROSSREFS
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KEYWORD
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sign
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AUTHOR
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STATUS
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approved
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