Number of nX3 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,0,1,2,4 for x=0,1,2,3,4.
A196213
Number of nX3 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,0,1,2,4 for x=0,1,2,3,4.
Terms
- a(0) =4a(1) =20a(2) =58a(3) =290a(4) =1217a(5) =5110a(6) =21969a(7) =93666a(8) =399920a(9) =1714601a(10) =7351903a(11) =31469992a(12) =134862960a(13) =577985643a(14) =2477090793a(15) =10617586380a(16) =45512098214a(17) =195087643326a(18) =836266725394
External references
- oeis: A196213