Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 0,3,1,1,1 for x=0,1,2,3,4.
A197620
Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 0,3,1,1,1 for x=0,1,2,3,4.
Terms
- a(0) =0a(1) =8a(2) =27a(3) =242a(4) =1904a(5) =8593a(6) =59395a(7) =330625a(8) =1878470a(9) =11243393a(10) =68055184a(11) =407535370a(12) =2426988031a(13) =14447481171a(14) =86405786370a(15) =514988469806
External references
- oeis: A197620