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A060708
The Reuleaux Triangle constant.
5
0, 7, 0, 4, 7, 7, 0, 9, 2, 3, 0, 1, 0, 4, 5, 7, 9, 7, 2, 4, 6, 7, 5, 9, 8, 5, 2, 0, 8, 8, 6, 8, 1, 5, 2, 5, 8, 6, 2, 7, 1, 8, 2, 0, 7, 2, 7, 8, 2, 3, 6, 2, 5, 9, 6, 4, 5, 9, 5, 6, 8, 8, 0, 6, 4, 2, 7, 9, 4, 1, 6, 9, 4, 6, 8, 8, 7, 0, 4, 4, 8, 0, 7, 7, 3, 4, 4, 4, 3, 1, 9, 2, 9, 2, 4, 3, 4, 2, 4, 6, 1, 5, 3, 2, 6
OFFSET
1,2
REFERENCES
Steven R. Finch, Mathematical Constants, Encyclopedia of Mathematics and its Applications, vol. 94, Cambridge University Press, 2003, Section 8.10, p. 513.
Martin Gardner, "The Unexpected Hanging," page 215.
Clifford A. Pickover, The Math Book, Sterling Publishing Co. (New York), 2009, p. 266.
LINKS
Eric Weisstein's World of Mathematics, Reuleaux Triangle.
Wikipedia, Reuleaux triangle.
FORMULA
Equals (Pi - sqrt(3))/2.
EXAMPLE
0.704770923010457972467598520886815258627182072782362596459568806427941... [Harry J. Smith, Jul 09 2009]
MATHEMATICA
RealDigits[N[(Pi - Sqrt[3])/2, 100]][[1]]
PROG
(PARI) { default(realprecision, 20080); x=(Pi - sqrt(3))/2; for (n=1, 20000, d=floor(x); x=(x-d)*10; write("b060708.txt", n, " ", d)); } \\ Harry J. Smith, Jul 09 2009
CROSSREFS
Cf. A060709.
Sequence in context: A177156 A016582 A244662 * A021997 A099737 A271177
KEYWORD
nonn,cons,changed
AUTHOR
Robert G. Wilson v, Feb 05 2001
EXTENSIONS
Final digits of sequence corrected using the b-file. - N. J. A. Sloane, Aug 30 2009
STATUS
approved