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 A309893 Decimal expansion of AGM(1, sqrt(3)/2). 1
 9, 3, 1, 8, 0, 8, 3, 9, 1, 6, 2, 2, 4, 4, 8, 2, 7, 1, 1, 7, 7, 8, 4, 4, 5, 1, 5, 5, 1, 2, 1, 3, 5, 2, 9, 7, 5, 7, 8, 7, 6, 6, 4, 2, 8, 4, 1, 3, 4, 2, 6, 8, 6, 1, 1, 1, 0, 2, 2, 0, 6, 1, 3, 4, 8, 9, 1, 6, 2, 8, 9, 7, 2, 8 (list; constant; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 LINKS FORMULA AGM(1, sin(Pi/3)). EXAMPLE 0.931808391622448271177844... MATHEMATICA RealDigits[ArithmeticGeometricMean[1, Sqrt[3]/2], 10, 100][[1]] (* Amiram Eldar, Aug 21 2019 *) PROG (Python 3) import decimal prec = int(input('Precision: ')) decimal.getcontext().prec = prec D = decimal.Decimal def agm(a, b):     for x in range(prec):         a, b = (a + b) / 2, (a * b).sqrt()     return a print(agm(1, D(3).sqrt()/2)) (PARI) agm(1, sqrt(3)/2) \\ Michel Marcus, Aug 22 2019 (SageMath) RealField(300)(1.0).agm(sqrt(3)/2) # Peter Luschny, Aug 22 2019 CROSSREFS Cf. A053004, A014549, A068521. Sequence in context: A081813 A197003 A048799 * A188887 A250091 A199152 Adjacent sequences:  A309890 A309891 A309892 * A309894 A309895 A309896 KEYWORD nonn,cons AUTHOR Daniel Hoyt, Aug 21 2019 STATUS approved

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Last modified January 18 16:27 EST 2020. Contains 331011 sequences. (Running on oeis4.)