Expansion of Jacobi theta constant (theta_2/2)^36.

Terms

a(0) =1a(1) =36a(2) =630a(3) =7176a(4) =60165a(5) =398412a(6) =2184078a(7) =10255320a(8) =42321942a(9) =156590980a(10) =527649912a(11) =1639560888a(12) =4745867595a(13) =12904341336a(14) =33190117110a(15) =81222775680a(16) =190066236318a(17) =427113304920a(18) =925107172122