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A145439
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Decimal expansion of Sum_{k>=0} binomial(4*k, 2*k)/2^(6*k).
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3
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1, 1, 1, 5, 3, 5, 5, 0, 7, 1, 6, 5, 0, 4, 1, 0, 5, 4, 0, 7, 6, 7, 0, 5, 8, 3, 7, 4, 5, 5, 5, 8, 3, 0, 9, 3, 7, 9, 4, 5, 8, 2, 7, 1, 8, 4, 4, 6, 4, 5, 8, 5, 7, 2, 4, 6, 6, 0, 4, 5, 5, 2, 9, 6, 8, 7, 0, 5, 2, 6, 3, 0, 2, 1, 4, 0, 6, 0, 6, 0, 2, 3, 8, 4, 8, 5, 0, 3, 6, 7, 2, 6, 8
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OFFSET
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1,4
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REFERENCES
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Alexander Apelblat, Tables of Integrals and Series, Harri Deutsch, (1996), 4.1.49.
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LINKS
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FORMULA
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The minimal polynomial is 9*x^4 - 12*x^2 + 1. - Joerg Arndt, Sep 20 2023
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EXAMPLE
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1.1153550716504105...
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MAPLE
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1/2*(1+1/3*3^(1/2))*2^(1/2);
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MATHEMATICA
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RealDigits[1/Sqrt[2] + 1/Sqrt[6], 10, 120][[1]] (* Amiram Eldar, May 29 2023 *)
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PROG
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CROSSREFS
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KEYWORD
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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