T(n,k)=Number of nXk 0..2 arrays with all horizontally or vertically connected equal values in a straight line, and new values 0..2 introduced in row major order.
A223387
T(n,k)=Number of nXk 0..2 arrays with all horizontally or vertically connected equal values in a straight line, and new values 0..2 introduced in row major order.
Terms
- a(0) =1a(1) =2a(2) =2a(3) =5a(4) =9a(5) =5a(6) =14a(7) =57a(8) =57a(9) =14a(10) =41a(11) =366a(12) =777a(13) =366a(14) =41a(15) =122a(16) =2358a(17) =10830a(18) =10830a(19) =2358a(20) =122a(21) =365a(22) =15204a(23) =151962a(24) =329840a(25) =151962a(26) =15204a(27) =365a(28) =1094a(29) =98052
External references
- oeis: A223387