OFFSET
1,8
COMMENTS
See comments in A068214.
LINKS
Robert G. Wilson v, Table of n, a(n) for n = 1..13
MATHEMATICA
(Mma 7.0) Table[2/Pi*Integrate[Product[Sinc[x/k], {k, 1, 2*n - 1, 2}], {x, 0, Infinity }], {n, 8}]
CROSSREFS
KEYWORD
nonn,frac
AUTHOR
N. J. A. Sloane, Jan 15 2009, based on email from Bill Gosper
EXTENSIONS
a(9) - a(11) from Robert G. Wilson v, Nov 04 2013
STATUS
approved