T(n,k) = [x^n] JacobiTheta3(0,x)^k, for 0 <= k <= n, triangle read by rows.

Terms

a(0) =1a(1) =0a(2) =2a(3) =0a(4) =0a(5) =4a(6) =0a(7) =0a(8) =0a(9) =8a(10) =0a(11) =2a(12) =4a(13) =6a(14) =24a(15) =0a(16) =0a(17) =8a(18) =24a(19) =48a(20) =112a(21) =0a(22) =0a(23) =0a(24) =24a(25) =96a(26) =240a(27) =544a(28) =0a(29) =0