T(n,k) is the coordination number of the (n+1)-dimensional cubic lattice for radius k; triangle read by rows, n>=0, 0<=k<=n.
A343599
T(n,k) is the coordination number of the (n+1)-dimensional cubic lattice for radius k; triangle read by rows, n>=0, 0<=k<=n.
Terms
- a(0) =1a(1) =1a(2) =4a(3) =1a(4) =6a(5) =18a(6) =1a(7) =8a(8) =32a(9) =88a(10) =1a(11) =10a(12) =50a(13) =170a(14) =450a(15) =1a(16) =12a(17) =72a(18) =292a(19) =912a(20) =2364a(21) =1a(22) =14a(23) =98a(24) =462a(25) =1666a(26) =4942a(27) =12642a(28) =1a(29) =16
External references
- oeis: A343599