Expansion of (1 / theta_4(x) - 1)^3 / 8.

Terms

a(0) =1a(1) =6a(2) =24a(3) =77a(4) =216a(5) =552a(6) =1315a(7) =2964a(8) =6387a(9) =13255a(10) =26640a(11) =52074a(12) =99336a(13) =185430a(14) =339483a(15) =610709a(16) =1081227a(17) =1886484a(18) =3247502a(19) =5521365a(20) =9279624a(21) =15429149a(22) =25397088a(23) =41412030a(24) =66928700a(25) =107265576a(26) =170556654a(27) =269164346a(28) =421765920a(29) =656419080