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 3,4,0,2,1 for x=0,1,2,3,4.
A196653
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 3,4,0,2,1 for x=0,1,2,3,4.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =2a(4) =7a(5) =2a(6) =3a(7) =10a(8) =10a(9) =3a(10) =5a(11) =23a(12) =27a(13) =23a(14) =5a(15) =8a(16) =57a(17) =76a(18) =76a(19) =57a(20) =8a(21) =13a(22) =122a(23) =248a(24) =391a(25) =248a(26) =122a(27) =13a(28) =21a(29) =275
External references
- oeis: A196653