Theta series of direct sum of f.c.c. and b.c.c. lattices.

Terms

a(0) =1a(1) =0a(2) =0a(3) =8a(4) =18a(5) =0a(6) =0a(7) =96a(8) =90a(9) =0a(10) =0a(11) =72a(12) =212a(13) =0a(14) =0a(15) =480a(16) =330a(17) =0a(18) =0a(19) =264a(20) =528a(21) =0a(22) =0a(23) =1056a(24) =836a(25) =0a(26) =0a(27) =528a(28) =1056a(29) =0