OFFSET
0,1
LINKS
Eric Weisstein's World of Mathematics, i
Eric Weisstein's World of Mathematics, Power Tower
EXAMPLE
0.36059247187138548595294052690600065382657703078602700474145129838046019521150773...
MAPLE
evalf(Im(2*I*LambertW(-I*Pi/2)/Pi), 139); # Alois P. Heinz, Dec 12 2023
MATHEMATICA
Prepend@@RealDigits[Im[ -ProductLog[ -Log[I]]/Log[I]], 10, 150]
PROG
(PARI) z=(1+I)/2; e=.1^default(realprecision); until(e>abs(z-z-=(z-I^z)/(1-I^(z+1)*Pi/2)), ); digits(imag(z)\e) \\ M. F. Hasler, May 17 2018
CROSSREFS
KEYWORD
AUTHOR
Eric W. Weisstein, Nov 07 2002
STATUS
approved