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 A223710 Decimal expansion of (Pi-2)*(Pi-1)/3. 3
 8, 1, 4, 9, 4, 2, 1, 4, 6, 7, 7, 3, 3, 2, 6, 3, 0, 1, 1, 4, 8, 8, 5, 3, 6, 1, 6, 6, 7, 9, 2, 1, 4, 1, 6, 0, 9, 0, 7, 3, 9, 7, 0, 6, 9, 7, 0, 5, 1, 5, 7, 7, 2, 1, 1, 6, 2, 8, 3, 8, 5, 3, 3, 0, 9, 8, 8, 6, 5, 2, 0, 1, 1, 8, 6, 8, 5, 9, 4, 1, 5, 7, 0, 5, 8, 8, 9 (list; constant; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 REFERENCES Tom M. Apostol, Calculus, Vol. 1, John Wiley & Sons, 1967 (2nd ed.). This constant is the case s=2, t=3 in sum(sin(n*s)/n^t, n>=1), see p. 409. LINKS Vincenzo Librandi, Table of n, a(n) for n = 0..1000 Index entries for transcendental numbers FORMULA Equals sum(sin(2*k)/k^3, k>=1). EXAMPLE 0.8149421467733263011488536166792141609073970697051577... MATHEMATICA RealDigits[(Pi - 2) (Pi - 1)/3, 10, 90][[1]] CROSSREFS Cf. A096444, A217909, A223709. Sequence in context: A321095 A021555 A298523 * A163898 A280040 A202284 Adjacent sequences: A223707 A223708 A223709 * A223711 A223712 A223713 KEYWORD nonn,cons AUTHOR Bruno Berselli, Mar 26 2013 STATUS approved

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Last modified September 15 03:44 EDT 2024. Contains 375931 sequences. (Running on oeis4.)