T(n,k)=Number of horizontal, diagonal and antidiagonal neighbor colorings of the even squares of an nXk array with new integer colors introduced in row major order.

A216460

T(n,k)=Number of horizontal, diagonal and antidiagonal neighbor colorings of the even squares of an nXk array with new integer colors introduced in row major order.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =2a(6) =1a(7) =1a(8) =2a(9) =2a(10) =2a(11) =2a(12) =7a(13) =5a(14) =5a(15) =2a(16) =5a(17) =15a(18) =20a(19) =15a(20) =5a(21) =5a(22) =15a(23) =203a(24) =203a(25) =322a(26) =52a(27) =15a(28) =5a(29) =52

External references