0,1

Table of n, a(n) for n=0..105.

Eric Weisstein's MathWorld, Shapiro's Cyclic Sum Constant

b = -0.2008110658618... .

c = 0.1551949747226... (A319569).

exp(c) = (1 + exp(b/2))^2/(2 + exp(-b/2)).

-0.2008110658618...

Cf. A245330, A319569.

Sequence in context: A160213 A192058 A021502 * A028698 A013667 A091933

Adjacent sequences: A319565 A319566 A319567 * A319569 A319570 A319571

nonn,cons

Seiichi Manyama, Sep 23 2018

More terms from Vaclav Kotesovec, Sep 26 2018

approved