Coordination sequence for D_8 lattice.

Terms

a(0) =1a(1) =112a(2) =2592a(3) =25424a(4) =149568a(5) =629808a(6) =2100832a(7) =5910288a(8) =14610560a(9) =32641008a(10) =67232416a(11) =129565392a(12) =236214464a(13) =410909616a(14) =686647008a(15) =1108180624a(16) =1734926592a(17) =2644311920a(18) =3935599392a(19) =5734220368