Number of nX3 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,2,1,0,4 for x=0,1,2,3,4.
A196977
Number of nX3 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,2,1,0,4 for x=0,1,2,3,4.
Terms
- a(0) =2a(1) =14a(2) =65a(3) =298a(4) =1422a(5) =6679a(6) =31386a(7) =147574a(8) =693908a(9) =3264528a(10) =15355363a(11) =72218049a(12) =339655885a(13) =1597498534a(14) =7513580345a(15) =35338859818a(16) =166209560097a(17) =781734366252
External references
- oeis: A196977