Number of nX3 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,1,3,0,2 for x=0,1,2,3,4.
A197064
Number of nX3 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,1,3,0,2 for x=0,1,2,3,4.
Terms
- a(0) =3a(1) =11a(2) =76a(3) =408a(4) =2026a(5) =10582a(6) =55882a(7) =292564a(8) =1530151a(9) =8011519a(10) =41953630a(11) =219665320a(12) =1150106497a(13) =6021786417a(14) =31529327887a(15) =165083020845a(16) =864350463984
External references
- oeis: A197064