Coordination sequence for 4-dimensional primitive di-isohexagonal orthogonal lattice.

Terms

a(0) =1a(1) =12a(2) =60a(3) =180a(4) =408a(5) =780a(6) =1332a(7) =2100a(8) =3120a(9) =4428a(10) =6060a(11) =8052a(12) =10440a(13) =13260a(14) =16548a(15) =20340a(16) =24672a(17) =29580a(18) =35100a(19) =41268a(20) =48120a(21) =55692a(22) =64020a(23) =73140a(24) =83088a(25) =93900a(26) =105612a(27) =118260a(28) =131880a(29) =146508