T(n,k)=Number of nXk 0..3 arrays with all horizontally or vertically connected equal values in a straight line, and new values 0..3 introduced in row major order.
A223062
T(n,k)=Number of nXk 0..3 arrays with all horizontally or vertically connected equal values in a straight line, and new values 0..3 introduced in row major order.
Terms
- a(0) =1a(1) =2a(2) =2a(3) =5a(4) =10a(5) =5a(6) =15a(7) =114a(8) =114a(9) =15a(10) =51a(11) =1473a(12) =4865a(13) =1473a(14) =51a(15) =187a(16) =19360a(17) =213469a(18) =213469a(19) =19360a(20) =187a(21) =715a(22) =255045a(23) =9383963a(24) =31331820a(25) =9383963a(26) =255045a(27) =715a(28) =2795a(29) =3361024
External references
- oeis: A223062