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A261979 Expansion of (elliptic_K / elliptic_E)^(1/2) in powers of q. 5

%I #6 Sep 07 2015 09:00:24

%S 1,4,0,-16,16,120,-128,-928,1056,7572,-8960,-63408,77248,540504,

%T -672000,-4665824,5888832,40656072,-51913728,-356835664,459890400,

%U 3150052992,-4090609024,-27939033312,36509767552,248772971228,-326815190784,-2222432164768,2932886151552,19910399315736

%N Expansion of (elliptic_K / elliptic_E)^(1/2) in powers of q.

%F See A261976 for the g.f. for K/E.

%Y Cf. A261975 (E/K), A261977 ((E/K)^(1/2)), A261978 ((E/K)^(1/4)).

%Y Cf. A261976 (K/E), A261980 ((K/E)^(1/4)).

%Y Cf. A004018 (elliptic K(q)), A194094 (elliptic E(q)), A115977 (elliptic k(q)^2).

%K sign

%O 0,2

%A _Joerg Arndt_, Sep 07 2015

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Last modified September 12 22:20 EDT 2024. Contains 375855 sequences. (Running on oeis4.)