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 A319308 Expansion of theta_4(q)^20 in powers of q = exp(Pi i t). 5
 1, -40, 760, -9120, 77560, -497648, 2508000, -10232640, 34729720, -100906760, 259114704, -606957280, 1327461600, -2738111280, 5341699520, -9915552192, 17701924600, -30615844560, 51294999960, -83279292960, 131880275664, -204949382400, 312126610080, -464844224960, 680432137440 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS Seiichi Manyama, Table of n, a(n) for n = 0..10000 FORMULA Expansion of eta(q)^40 / eta(q^2)^20 in powers of q. CROSSREFS theta_4(q)^b: A002448 (b=1), A104794 (b=2), A213384 (b=3), A096727 (b=4), A035016 (b=8), A286346 (b=12), A319307 (b=16), this sequence (b=20), A319309 (b=24), A319310 (b=28). Sequence in context: A010840 A233725 A175603 * A022073 A261571 A010956 Adjacent sequences:  A319305 A319306 A319307 * A319309 A319310 A319311 KEYWORD sign AUTHOR Seiichi Manyama, Sep 16 2018 STATUS approved

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Last modified March 28 11:00 EDT 2020. Contains 333083 sequences. (Running on oeis4.)