OFFSET
1,1
LINKS
Eric Weisstein's World of Mathematics, Bifolium
EXAMPLE
7.1555472415294393972...
MATHEMATICA
RealDigits[4*Sqrt[2]*NIntegrate[Sqrt[3 + 3*Cos[2q] + 2*Cos[4q]]*Sin[q], {q, 0, Pi/2}, WorkingPrecision -> 150], 10, 110][[1]]
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Eric W. Weisstein, Apr 22 2006
STATUS
approved