T(n,k)=Number of nXk 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 2,1,3,0,4 for x=0,1,2,3,4.
A196696
T(n,k)=Number of nXk 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 2,1,3,0,4 for x=0,1,2,3,4.
Terms
- a(0) =1a(1) =2a(2) =2a(3) =3a(4) =5a(5) =3a(6) =4a(7) =11a(8) =11a(9) =4a(10) =6a(11) =34a(12) =76a(13) =34a(14) =6a(15) =9a(16) =101a(17) =408a(18) =408a(19) =101a(20) =9a(21) =13a(22) =299a(23) =2025a(24) =3394a(25) =2025a(26) =299a(27) =13a(28) =19a(29) =890
External references
- oeis: A196696