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A235362
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Decimal expansion of the cube root of 2 divided by 2.
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3
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6, 2, 9, 9, 6, 0, 5, 2, 4, 9, 4, 7, 4, 3, 6, 5, 8, 2, 3, 8, 3, 6, 0, 5, 3, 0, 3, 6, 3, 9, 1, 1, 4, 1, 7, 5, 2, 8, 5, 1, 2, 5, 7, 3, 2, 3, 5, 0, 7, 5, 3, 9, 9, 0, 0, 4, 0, 9, 8, 7, 5, 5, 6, 0, 7, 7, 6, 4, 9, 8, 3, 8, 2, 5, 6, 9, 7, 9, 7, 4, 1, 8, 6, 4, 6, 9, 8, 2, 8, 1, 2, 1, 8, 1, 2, 7
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OFFSET
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0,1
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COMMENTS
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Also reciprocal of the real cubic root of 4 and negated real part of either complex cubic root of 2.
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LINKS
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Richard Zippel, The Weyl Computer Algebra Substrate in Design and Implementation of Symbolic Computation Systems: International Symposium, DISCO '93 Gmunden, Austria, September 15-17, 1993. Proceedings, p. 306.
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FORMULA
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2^(1/3)/2 = 1/2^(2/3) = 1/4^(1/3).
(-2^(1/3)/2 + sqrt(-3)/4^(1/3))^3 = 2.
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EXAMPLE
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0.6299605249474365823836053...
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MAPLE
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Digits := 100 ; evalf(1/2^(2/3)) ; # R. J. Mathar, Jan 16 2023
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MATHEMATICA
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RealDigits[1/2^(2/3), 10, 128][[1]]
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PROG
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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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