Number of n X 3 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,1,0,2,4 for x=0,1,2,3,4.
A196851
Number of n X 3 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,1,0,2,4 for x=0,1,2,3,4.
Terms
- a(0) =4a(1) =38a(2) =206a(3) =1370a(4) =8767a(5) =56470a(6) =363685a(7) =2343584a(8) =15108610a(9) =97376923a(10) =627590184a(11) =4044924351a(12) =26070308556a(13) =168028055199
External references
- oeis: A196851