0,1
The location of the maximum, and more comments, are in A257451.
Stanislav Sykora, Table of n, a(n) for n = 0..2000
Equals (1-cos(A257451))/A257451.
0.724611353776708475738990453525631784347865101838391714959...
(PARI) xmax = solve(x=1, 3, x*sin(x)-1+cos(x)); a=(1-cos(xmax))/xmax
Cf. A257451.
Sequence in context: A121562 A167902 A154174 * A021142 A126561 A246508
Adjacent sequences: A257449 A257450 A257451 * A257453 A257454 A257455
nonn,cons
Stanislav Sykora, Apr 23 2015
approved