0,1

Here, i is the imaginary unit sqrt(-1).

For the real part of this constant, and for more comments, see A263210.

Stanislav Sykora, Table of n, a(n) for n = 0..2000

Equals the imaginary part of (sqrt(Pi^2+4*i)-Pi)/2.

0.312203069208072004947893260595688268193923300966103587044863000808...

(PARI) imag((-Pi+sqrt(Pi^2+4*I))/2)

Cf. A000796, A263210.

Sequence in context: A016570 A070773 A046804 * A287571 A214316 A236452

Adjacent sequences: A263208 A263209 A263210 * A263212 A263213 A263214

nonn,cons

Stanislav Sykora, Oct 12 2015

approved