T(n,k)=Number of horizontal, vertical, diagonal, antidiagonal or knight-move neighbor colorings of an nXk array with new integer colors introduced in row major order.

A216760

T(n,k)=Number of horizontal, vertical, diagonal, antidiagonal or knight-move neighbor colorings of an nXk array with new integer colors introduced in row major order.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =2a(4) =1a(5) =2a(6) =5a(7) =4a(8) =4a(9) =5a(10) =15a(11) =34a(12) =60a(13) =34a(14) =15a(15) =52a(16) =500a(17) =2957a(18) =2957a(19) =500a(20) =52a(21) =203a(22) =10900a(23) =337731a(24) =1340534a(25) =337731a(26) =10900a(27) =203a(28) =877a(29) =322768

External references