OFFSET
1,5
LINKS
G. C. Greubel, Table of n, a(n) for n = 1..10000
Eric Weisstein's World of Mathematics, Burnside Curve
FORMULA
Equals sqrt(Pi)*gamma(3/8)/(4*gamma(15/8)).
EXAMPLE
1.101659026457574...
MATHEMATICA
area = N[Sqrt[Pi]*Gamma[3/8]/(4*Gamma[15/8]), 105]; RealDigits[area][[1]]
PROG
(PARI) sqrt(Pi)*gamma(3/8)/(4*gamma(15/8)) \\ Michel Marcus, Jul 04 2015
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Jean-François Alcover, Aug 03 2011
STATUS
approved