Theta series of b.c.c. lattice with respect to deep hole.

Terms

a(0) =4a(1) =4a(2) =8a(3) =12a(4) =4a(5) =12a(6) =12a(7) =12a(8) =16a(9) =16a(10) =8a(11) =8a(12) =28a(13) =12a(14) =20a(15) =24a(16) =8a(17) =16a(18) =28a(19) =12a(20) =16a(21) =28a(22) =20a(23) =32a(24) =20a(25) =16a(26) =16a(27) =32a(28) =20a(29) =24