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A328093
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Expansion of (theta_3(z)*theta_3(23z) + theta_2(z)*theta_2(23z))^5.
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3
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1, 10, 40, 80, 90, 112, 260, 480, 700, 1050, 1520, 2160, 2980, 3920, 5920, 8160, 9530, 12800, 16620, 20560, 26672, 30720, 38960, 47690, 52020, 66250, 77380, 87940, 101600, 112720, 134304, 147920, 171020, 185760, 220160, 230400, 263550, 292080, 341200, 346820, 423984, 425680, 516480, 527600, 619120
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OFFSET
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0,2
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REFERENCES
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Köklüce, Bülent. "Cusp forms in S_6 (Gamma_ 0(23)), S_8 (Gamma_0 (23)) and the number of representations of numbers by some quadratic forms in 12 and 16 variables." The Ramanujan Journal 34.2 (2014): 187-208. See F_k, p. 188.
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LINKS
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PROG
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(PARI) a(n) = polcoeff((1 + 2*x*Ser(qfrep([2, 1; 1, 12], n, 1)))^5, n); \\ Jinyuan Wang, Feb 19 2020
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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