-14768

Appears in sequences

• G.f.: Re((2*i; x)_inf), where (a; q)_inf is the q-Pochhammer symbol, i = sqrt(-1).at n=39A292135
• E.g.f. A(x) satisfies A(x) = 1/( 1 - sin(x * A(x)) / A(x) )^2.at n=6A381385