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A248191 Decimal expansion of Dedekind eta(2*I). 4
5, 9, 2, 3, 8, 2, 7, 8, 1, 3, 3, 2, 4, 1, 5, 8, 8, 5, 2, 9, 0, 3, 6, 3, 3, 7, 4, 4, 9, 1, 9, 9, 5, 3, 7, 2, 7, 6, 1, 5, 2, 9, 9, 9, 3, 2, 0, 5, 7, 7, 0, 6, 6, 5, 2, 3, 4, 2, 8, 9, 9, 3, 9, 6, 2, 7, 1, 7, 6, 2, 3, 5, 1, 2, 5, 5, 5, 3, 9, 7, 0, 3, 2, 0, 5, 5, 0 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

See A091343.

LINKS

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

Wikipedia, Dedekind eta function

FORMULA

eta(2*I) = c*eta(I) = c*Gamma(1/4)/(2*Pi^(3/4)) =  c*A091343, with c = 2^(-3/8).

EXAMPLE

0.5923827813324158852903633744919953727615299932057706652342...

MATHEMATICA

RealDigits[N[Gamma[1/4]/(2^(11/8)*Pi^(3/4)), 120]][[1]] (* Vaclav Kotesovec, Oct 04 2014 *)

PROG

(PARI) eta(2*I, 1)

CROSSREFS

Cf. A091343 (eta(I)), A248190, A248192.

Sequence in context: A227574 A214869 A021632 * A198734 A200009 A011494

Adjacent sequences:  A248188 A248189 A248190 * A248192 A248193 A248194

KEYWORD

nonn,cons,easy

AUTHOR

Stanislav Sykora, Oct 04 2014

STATUS

approved

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Last modified April 26 17:21 EDT 2017. Contains 285449 sequences.