Number of horizontal, diagonal and antidiagonal neighbor colorings of the odd squares of an nX3 array with new integer colors introduced in row major order.

A216609

Number of horizontal, diagonal and antidiagonal neighbor colorings of the odd squares of an nX3 array with new integer colors introduced in row major order.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =20a(4) =67a(5) =1335a(6) =6097a(7) =192713a(8) =1094076a(9) =49055292a(10) =329588907a(11) =19602119017a(12) =151146594991

External references