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A351864
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Numerator of zeta({6}_n)/Pi^(6n).
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1
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1, 1, 4, 2, 4, 1, 4, 4, 4, 4, 16, 2, 4, 2, 8, 8, 4, 4, 16, 8, 16, 1, 4, 4, 4, 4, 16, 4, 8, 4, 16, 16, 4, 4, 16, 8, 16, 4, 16, 16, 16, 16, 64, 2, 4, 2, 8, 8, 4, 4, 16, 8, 16, 2, 8, 8, 8, 8, 32, 8, 16, 8, 32, 32, 4, 4, 16, 8, 16, 4, 16
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OFFSET
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0,3
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COMMENTS
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({6}_n) is standard notation for multiple zeta values. It represents (6, ..., 6) where the multiplicity of 6 is n.
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LINKS
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FORMULA
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a(n) = numerator(6*2^(6*n)/(6*n + 3)!).
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MATHEMATICA
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a[n_] := Numerator[6*2^(6*n)/(6*n + 3)!]; Array[a, 71, 0]
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PROG
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(PARI) a(n) = 1 << (hammingweight(3*n+1) - 1);
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CROSSREFS
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KEYWORD
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nonn,easy,frac
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AUTHOR
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STATUS
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approved
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