Coordination sequence for lattice D*_6 (with edges defined by l_1 norm = 1).

Terms

a(0) =1a(1) =12a(2) =72a(3) =356a(4) =1296a(5) =3708a(6) =8920a(7) =18900a(8) =36384a(9) =65004a(10) =109416a(11) =175428a(12) =270128a(13) =402012a(14) =581112a(15) =819124a(16) =1129536a(17) =1527756a(18) =2031240a(19) =2659620a(20) =3434832a(21) =4381244a(22) =5525784a(23) =6898068a(24) =8530528a(25) =10458540a(26) =12720552a(27) =15358212a(28) =18416496a(29) =21943836