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
Harry J. Smith, Table of n, a(n) for n = 1..20000
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
KEYWORD
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