Number of nX4 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,1,2,0,4 for x=0,1,2,3,4.
A196908
Number of nX4 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,1,2,0,4 for x=0,1,2,3,4.
Terms
- a(0) =4a(1) =34a(2) =193a(3) =1193a(4) =7290a(5) =45491a(6) =280860a(7) =1735427a(8) =10739750a(9) =66445820a(10) =411015542a(11) =2542717000a(12) =15730689695a(13) =97316972504a(14) =602047008407
External references
- oeis: A196908