Coordination sequence for root lattice B_3.

Terms

a(0) =1a(1) =18a(2) =74a(3) =170a(4) =306a(5) =482a(6) =698a(7) =954a(8) =1250a(9) =1586a(10) =1962a(11) =2378a(12) =2834a(13) =3330a(14) =3866a(15) =4442a(16) =5058a(17) =5714a(18) =6410a(19) =7146a(20) =7922a(21) =8738a(22) =9594a(23) =10490a(24) =11426a(25) =12402a(26) =13418a(27) =14474a(28) =15570a(29) =16706