%I #7 Mar 31 2012 10:26:03
%S 6,0,6,2,1,7,7,8,2,6,4,9,1,0,7,0,5,2,7,3,4,6,0,6,2,1,9,5,2,7,0,5,5,3,
%T 2,8,4,2,9,9,8,1,8,3,8,8,3,3,6,3,3,2,1,9,8,1,9,5,3,2,4,4,2,8,0,8,1,7,
%U 6,5,5,5,9,1,8,0,8,0,0,1,2,9,7,8,4,0,1,1,6,5,3,6,5,0,3,7,0,0,1,4,8,6,4,6,9
%N Decimal expansion of 7*sqrt(3)/2.
%C Corresponds to the minimal height-to-diameter ratio of a cylinder such that seven of them may be placed in mutual contact.
%D M. Gardner, The Scientific American book of Mathematical Puzzles & Diversions, pp. 115 Simon & Shuster NY 1959 (or Hexaflexagons And Other Mathematical Diversions, The Univ. of Chicago Press Chicago IL 1988).
%e 7*sqrt(3)/2=6.0621778264910705273460621952705532842998183883363...
%t RealDigits[7Sqrt[3]/2, 10, 105][[1]]
%K nonn,cons
%O 1,1
%A _Lekraj Beedassy_, Sep 21 2004
%E Corrected and extended by _Rick L. Shepherd_ and _Ray Chandler_, Sep 21 2004
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