Theta series of f.c.c. lattice with respect to tetrahedral hole.

Terms

a(0) =4a(1) =12a(2) =12a(3) =16a(4) =24a(5) =12a(6) =24a(7) =36a(8) =12a(9) =28a(10) =36a(11) =24a(12) =36a(13) =36a(14) =24a(15) =24a(16) =60a(17) =36a(18) =28a(19) =48a(20) =12a(21) =60a(22) =60a(23) =24a(24) =48a(25) =48a(26) =36a(27) =48a(28) =60a(29) =24