OFFSET
0,1
COMMENTS
Here, i is the imaginary unit sqrt(-1).
For the real part of this constant, and for more comments, see A263210.
LINKS
Stanislav Sykora, Table of n, a(n) for n = 0..2000
FORMULA
Equals the imaginary part of (sqrt(Pi^2+4*i)-Pi)/2.
EXAMPLE
0.312203069208072004947893260595688268193923300966103587044863000808...
MATHEMATICA
RealDigits[Im[(Sqrt[Pi^2 + 4*I] - Pi)/2], 10, 120][[1]] (* Amiram Eldar, Jun 11 2023 *)
PROG
(PARI) imag((-Pi+sqrt(Pi^2+4*I))/2)
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Stanislav Sykora, Oct 12 2015
STATUS
approved