A077590 - OEIS

A077590

Decimal expansion of imaginary part of the infinite power tower of i.

3, 6, 0, 5, 9, 2, 4, 7, 1, 8, 7, 1, 3, 8, 5, 4, 8, 5, 9, 5, 2, 9, 4, 0, 5, 2, 6, 9, 0, 6, 0, 0, 0, 6, 5, 3, 8, 2, 6, 5, 7, 7, 0, 3, 0, 7, 8, 6, 0, 2, 7, 0, 0, 4, 7, 4, 1, 4, 5, 1, 2, 9, 8, 3, 8, 0, 4, 6, 0, 1, 9, 5, 2, 1, 1, 5, 0, 7, 7, 3, 0, 5, 3, 2, 9, 2, 2, 7, 5, 4, 1, 4, 0, 0, 2, 5, 6, 8, 6, 4, 7

(list; constant; graph; refs; listen; history; text; internal format)

OFFSET

0,1

REFERENCES

Steven R. Finch, Mathematical Constants, Encyclopedia of Mathematics and its Applications, vol. 94, Cambridge University Press, 2003, Section 6.11, p. 449.

LINKS

Table of n, a(n) for n=0..100.

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

Cf. A049006, A077589 (real part).

Sequence in context: A010470 A359295 A181916 * A199182 A011368 A020811

Adjacent sequences: A077587 A077588 A077589 * A077591 A077592 A077593

KEYWORD

nonn,cons,nice

AUTHOR

Eric W. Weisstein, Nov 07 2002

STATUS

approved

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