Expansion of theta_4(theta_4(x) - 1), where theta_4() is the Jacobi theta function.

Terms

a(0) =1a(1) =4a(2) =0a(3) =0a(4) =28a(5) =0a(6) =0a(7) =-128a(8) =0a(9) =1028a(10) =192a(11) =0a(12) =-9088a(13) =-128a(14) =0a(15) =36480a(16) =131100a(17) =9216a(18) =-85632a(19) =-2097280a(20) =-73536a(21) =128896a(22) =15729024a(23) =257664a(24) =1958912a(25) =-6254972a(26) =-515904a(27) =-31297920a(28) =-1439428224a(29) =645120