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 A289504 Decimal expansion of 2*(1+3^(3/2)/(2*Pi)). 1
 3, 6, 5, 3, 9, 8, 6, 6, 8, 6, 2, 6, 5, 3, 7, 6, 1, 4, 8, 5, 3, 3, 9, 7, 9, 4, 9, 4, 9, 3, 8, 9, 0, 8, 3, 2, 4, 1, 9, 2, 1, 5, 9, 4, 4, 1, 0, 9, 9, 9, 2, 1, 9, 5, 8, 3, 9, 8, 0, 9, 8, 0, 6, 0, 8, 7, 3, 0, 9, 0, 9, 1, 0, 4, 0, 7, 8, 0, 9, 3, 8, 4, 5, 2, 1, 1 (list; constant; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS S. R. Finch, Mean width of a regular simplex, arxiv:1111.4976 [math.MG], (2016), nu_2. FORMULA Equals 2*(1+A086089). EXAMPLE 3.6539866862653761485339794949389083241921... MAPLE 2*(1+3*sqrt(3)/2/Pi); evalf(%) ; MATHEMATICA RealDigits[2(1+3^(3/2)/(2Pi)), 10, 120][[1]] (* Harvey P. Dale, Nov 05 2019 *) PROG (Python) from mpmath import * mp.dps=86 print map(int, list(str(2*(1 + 3*sqrt(3)/(2*pi))).replace('.', ''))) # Indranil Ghosh, Jul 08 2017 CROSSREFS Sequence in context: A011223 A188670 A102621 * A159066 A159057 A159067 Adjacent sequences:  A289501 A289502 A289503 * A289505 A289506 A289507 KEYWORD nonn,cons,easy AUTHOR R. J. Mathar, Jul 07 2017 STATUS approved

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Last modified April 7 04:20 EDT 2020. Contains 333292 sequences. (Running on oeis4.)