Coordination sequence for root lattice B_6.

Terms

a(0) =1a(1) =72a(2) =1072a(3) =6968a(4) =28320a(5) =85992a(6) =214864a(7) =467544a(8) =918080a(9) =1665672a(10) =2838384a(11) =4596856a(12) =7138016a(13) =10698792a(14) =15559824a(15) =22049176a(16) =30546048a(17) =41484488a(18) =55357104a(19) =72718776a(20) =94190368a(21) =120462440a(22) =152298960a(23) =190541016a(24) =236110528a(25) =290013960a(26) =353346032a(27) =427293432a(28) =513138528a(29) =612263080