Number of n X 4 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 1,2,4,0,3 for x=0,1,2,3,4.
A196597
Number of n X 4 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 1,2,4,0,3 for x=0,1,2,3,4.
Terms
- a(0) =1a(1) =7a(2) =37a(3) =129a(4) =667a(5) =2783a(6) =12515a(7) =55513a(8) =245289a(9) =1088893a(10) =4822927a(11) =21375111a(12) =94733197a(13) =419809045a(14) =1860501635a(15) =8245134291a(16) =36539888027a(17) =161933744951a(18) =717640229759
External references
- oeis: A196597