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A261978 Expansion of (elliptic_E / elliptic_K)^(1/4) in powers of q. 5
1, -2, 6, -12, 14, -24, 84, -144, -42, 130, 1656, -3036, -9036, 17784, 76944, -147984, -591274, 1147068, 4784922, -9277164, -38983272, 75690528, 322116804, -625832880, -2687394012, 5224589254, 22613921832, -43985741688, -191670898032, 372970548504, 1634759644944, -3182191744320 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
FORMULA
See A261975 for the g.f. for E/K.
CROSSREFS
Cf. A261975 (E/K), A261977 ((E/K)^(1/2)).
Cf. A261976 (K/E), A261979 ((K/E)^(1/2)), A261980 ((K/E)^(1/4)).
Cf. A004018 (elliptic K(q)), A194094 (elliptic E(q)), A115977 (elliptic k(q)^2).
Sequence in context: A140760 A161922 A027863 * A236264 A152301 A152389
KEYWORD
sign
AUTHOR
Joerg Arndt, Sep 07 2015
STATUS
approved

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Last modified March 28 10:31 EDT 2024. Contains 371240 sequences. (Running on oeis4.)