Number of horizontal, diagonal and antidiagonal neighbor colorings of the odd squares of an n X n array with new integer colors introduced in row major order.

A216608

Number of horizontal, diagonal and antidiagonal neighbor colorings of the odd squares of an n X n array with new integer colors introduced in row major order.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =203a(4) =83437a(5) =6423127757

External references