A028659 Expansion of (theta_3(z)*theta_3(23z) + theta_2(z)*theta_2(23z))^3.
1, 6, 12, 8, 6, 24, 36, 48, 72, 78, 120, 120, 116, 264, 240, 240, 342, 288, 496, 360, 504, 480, 600, 390, 748, 678, 804, 548, 1008, 552, 1200, 840, 1344, 1200, 1440, 1056, 1978, 1368, 1800, 1764, 2040, 1800, 2400, 1848, 2520, 2184, 2364, 1656, 3176, 2406, 2940
Offset: 0
Keywords
Links
- Jinyuan Wang, Table of n, a(n) for n = 0..1000
Programs
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PARI
a(n) = polcoeff((1 + 2*x*Ser(qfrep([2, 1; 1, 12], n, 1)))^3, n); \\ Jinyuan Wang, Feb 19 2020
Extensions
More terms from Jinyuan Wang, Feb 19 2020