T(n,k) is the number of horizontal, vertical and diagonal neighbor colorings of the odd squares of an n X k array with new integer colors introduced in row major order.

A216031

T(n,k) is the number of horizontal, vertical and diagonal neighbor colorings of the odd squares of an n X k array with new integer colors introduced in row major order.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =1a(6) =1a(7) =2a(8) =2a(9) =1a(10) =1a(11) =5a(12) =4a(13) =5a(14) =1a(15) =2a(16) =12a(17) =29a(18) =29a(19) =12a(20) =2a(21) =2a(22) =42a(23) =97a(24) =371a(25) =97a(26) =42a(27) =2a(28) =5a(29) =136

External references