T(n,k) is the number of horizontal, vertical, diagonal and antidiagonal neighbor colorings of the even squares of an n X k array with new integer colors introduced in row major order.
A215847
T(n,k) is the number of horizontal, vertical, diagonal and antidiagonal neighbor colorings of the even 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) =1a(5) =1a(6) =1a(7) =1a(8) =1a(9) =1a(10) =2a(11) =2a(12) =4a(13) =2a(14) =2a(15) =2a(16) =5a(17) =8a(18) =8a(19) =5a(20) =2a(21) =5a(22) =15a(23) =102a(24) =78a(25) =102a(26) =15a(27) =5a(28) =5a(29) =52
External references
- oeis: A215847