OFFSET
1,1
COMMENTS
Circumradius of the obtuse scalene triangle with sides of lengths 2, 3 and 4, the scalene triangle with least integer side lengths. See formulas in the Weisstein link.
LINKS
Daniel Starodubtsev, Table of n, a(n) for n = 1..10000
Eric Weisstein's World of Mathematics, Circumradius.
FORMULA
8/sqrt(15) = 8/A010472.
EXAMPLE
2.06559111797728900542894154655061312577755824282218177418003934192719098236...
MATHEMATICA
RealDigits[8/Sqrt[15], 10, 120][[1]] (* Harvey P. Dale, May 06 2012 *)
PROG
(PARI) 8/sqrt(15)
CROSSREFS
KEYWORD
cons,nonn
AUTHOR
Rick L. Shepherd, May 14 2008
STATUS
approved