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 A282402 Coefficients in q-expansion of E_4^7, where E_4 is the Eisenstein series A004009. 3
 1, 1680, 1224720, 505659840, 129351117840, 21060890131680, 2160822606183360, 134717272385473920, 4957295423282269200, 119288258695393463760, 2051465861242156554720, 26894077218337493424960, 281803532524538902825920 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS Seiichi Manyama, Table of n, a(n) for n = 0..1000 MATHEMATICA terms = 13; E4[x_] = 1 + 240*Sum[k^3*x^k/(1 - x^k), {k, 1, terms}]; E4[x]^7 + O[x]^terms // CoefficientList[#, x]& (* Jean-François Alcover, Feb 27 2018 *) CROSSREFS Cf. A004009 (E_4), A008410 (E_4^2), A008411 (E_4^3), A282012 (E_4^4), A282015 (E_4^5), A282330 (E_4^6), this sequence (E_4^7). Sequence in context: A234439 A060095 A343459 * A156422 A172562 A172568 Adjacent sequences: A282399 A282400 A282401 * A282403 A282404 A282405 KEYWORD sign AUTHOR Seiichi Manyama, Feb 14 2017 STATUS approved

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Last modified September 13 17:14 EDT 2024. Contains 375910 sequences. (Running on oeis4.)