Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,3,0,2,2 for x=0,1,2,3,4.
A197454
Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,3,0,2,2 for x=0,1,2,3,4.
Terms
- a(0) =5a(1) =57a(2) =290a(3) =2233a(4) =15825a(5) =104318a(6) =738363a(7) =5142371a(8) =35673015a(9) =248507899a(10) =1727900136a(11) =12019095470a(12) =83618547829a(13) =581654826801
External references
- oeis: A197454