T(n,k)=Number of nXk 0..4 arrays with no three equal values in a row horizontally or vertically, and new values 0..4 introduced in row major order.

A222924

T(n,k)=Number of nXk 0..4 arrays with no three equal values in a row horizontally or vertically, and new values 0..4 introduced in row major order.

Terms

    a(0) =1a(1) =2a(2) =2a(3) =4a(4) =15a(5) =4a(6) =12a(7) =174a(8) =174a(9) =12a(10) =41a(11) =3183a(12) =13571a(13) =3183a(14) =41a(15) =158a(16) =68076a(17) =1396408a(18) =1396408a(19) =68076a(20) =158a(21) =663a(22) =1543538a(23) =149478882a(24) =700411548a(25) =149478882a(26) =1543538a(27) =663a(28) =2944a(29) =35663142

External references