login
A093582
Decimal expansion of 3/(2*Pi).
8
4, 7, 7, 4, 6, 4, 8, 2, 9, 2, 7, 5, 6, 8, 6, 0, 0, 7, 3, 0, 6, 6, 5, 1, 2, 9, 0, 1, 1, 7, 5, 4, 3, 0, 8, 6, 1, 0, 3, 3, 7, 8, 9, 3, 7, 2, 2, 1, 3, 6, 9, 3, 4, 6, 2, 4, 3, 0, 0, 2, 0, 3, 2, 1, 7, 6, 6, 9, 0, 3, 9, 2, 9, 0, 2, 6, 7, 9, 6, 0, 5, 2, 7, 0, 3, 4, 1, 4, 0, 8, 2, 9, 8, 7, 5, 9, 2, 5, 7, 8, 6, 8
OFFSET
0,1
COMMENTS
Average area of a triangle picked at random from points on the circumference of a unit circle.
The value of a princess-and-monster game on the unit circle, see Zelikin 1972. - Charles R Greathouse IV, Mar 24 2014
LINKS
Franklin Pierce Matz, Problem 30, The American Mathematical Monthly, Vol. 2, No. 6 (1895), p. 201; Solution, by the proposer, ibid., Vol. 3, No. 6/7 (1896), pp. 190-191.
Eric Weisstein's World of Mathematics, Circle Triangle Picking.
Mikhail Il'ich Zelikin, A certain differential game with incomplete information (in Russian), Dokl. Akad. Nauk SSSR 202 (1972), pp. 998-1000.
FORMULA
Equals 1/A019693. - Amiram Eldar, Apr 04 2026
EXAMPLE
0.47746482927568600730665129011754308610337893722136...
MATHEMATICA
RealDigits[3/(2 Pi), 10, 120][[1]] (* Harvey P. Dale, Jun 10 2022 *)
PROG
(PARI) 1.5/Pi \\ Charles R Greathouse IV, Mar 24 2014
CROSSREFS
Cf. A019693.
Sequence in context: A132266 A084104 A271026 * A275639 A201940 A075113
KEYWORD
nonn,cons
AUTHOR
Eric W. Weisstein, Apr 01 2004
STATUS
approved